{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T14:07:11Z","timestamp":1783778831858,"version":"3.55.0"},"reference-count":126,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["clinicalkey.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Hygiene and Environmental Health"],"published-print":{"date-parts":[[2026,4]]},"DOI":"10.1016\/j.ijheh.2026.114764","type":"journal-article","created":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T16:42:32Z","timestamp":1771519352000},"page":"114764","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":3,"special_numbering":"C","title":["One or many environmental intolerance(s)? A cluster analysis over two representative samples"],"prefix":"10.1016","volume":"273","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2577-7695","authenticated-orcid":false,"given":"Tara M.","family":"Petzke","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0812-0387","authenticated-orcid":false,"given":"Ralph C.A.","family":"Rippe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4928-4222","authenticated-orcid":false,"given":"Michael","family":"Witth\u00f6ft","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ren\u00e1ta","family":"Szemerszky","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5460-5759","authenticated-orcid":false,"given":"Ferenc","family":"K\u00f6teles","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3487-4721","authenticated-orcid":false,"given":"C\u00e9dric","family":"Lemogne","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Steven","family":"Nordin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8793-5110","authenticated-orcid":false,"given":"Victor","family":"Pitron","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"10","key":"10.1016\/j.ijheh.2026.114764_bib1","doi-asserted-by":"crossref","first-page":"564","DOI":"10.1016\/j.endien.2018.11.007","article-title":"Characteristics and determinants of dietary intake and physical activity in a group of patients with multiple chemical sensitivity","volume":"65","author":"Aguilar-Aguilar","year":"2018","journal-title":"Endocrinolog\u00eda, Diabetes Y Nutrici\u00f3n (English Ed.)"},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib2","doi-asserted-by":"crossref","first-page":"741","DOI":"10.1016\/S0022-3999(02)00333-1","article-title":"Sleep disturbances, work stress and work hours: a cross-sectional study","volume":"53","author":"\u00c5kerstedt","year":"2002","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib3","series-title":"Cognitive Behavior Therapy for Multiple Chemical Sensitivity: a Single Case Experimental Design","author":"Amin","year":"2019"},{"key":"10.1016\/j.ijheh.2026.114764_bib4","doi-asserted-by":"crossref","DOI":"10.3389\/fpubh.2025.1561373","article-title":"Chicken or egg? Attribution hypothesis and nocebo hypothesis to explain somatization associated to perceived RF-EMF exposure","volume":"13","author":"Ariccio","year":"2025","journal-title":"Front. Public Health"},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib5","doi-asserted-by":"crossref","first-page":"5814","DOI":"10.1038\/s41598-021-83527-z","article-title":"A longitudinal, randomized experimental pilot study to investigate the effects of airborne ultrasound on human mental health, cognition, and brain structure","volume":"11","author":"Ascone","year":"2021","journal-title":"Sci. Rep."},{"key":"10.1016\/j.ijheh.2026.114764_bib6","doi-asserted-by":"crossref","first-page":"206","DOI":"10.3389\/fneur.2014.00206","article-title":"Central gain control in tinnitus and hyperacusis","volume":"5","author":"Auerbach","year":"2014","journal-title":"Front. Neurol."},{"issue":"6","key":"10.1016\/j.ijheh.2026.114764_bib7","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1080\/19338244.2014.926855","article-title":"Prevalence and characteristics of chemical intolerance: a Japanese population-based Study","volume":"70","author":"Azuma","year":"2015","journal-title":"Arch. Environ. Occup. Health"},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib8","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1016\/j.jpsychores.2014.02.008","article-title":"Comparing non-specific physical symptoms in environmentally sensitive patients: prevalence, duration, functional status and illness behavior","volume":"76","author":"Baliatsas","year":"2014","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib9","doi-asserted-by":"crossref","first-page":"643","DOI":"10.1186\/1471-2458-12-643","article-title":"Idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF): a systematic review of identifying criteria","volume":"12","author":"Baliatsas","year":"2012","journal-title":"BMC Public Health"},{"issue":"7","key":"10.1016\/j.ijheh.2026.114764_bib10","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1038\/nrn3950","article-title":"Interoceptive predictions in the brain","volume":"16","author":"Barrett","year":"2015","journal-title":"Nat. Rev. Neurosci."},{"issue":"Pt A","key":"10.1016\/j.ijheh.2026.114764_bib11","article-title":"Why electrohypersensitivity and related symptoms are caused by non-ionizing man-made electromagnetic fields: an overview and medical assessment","volume":"212","author":"Belpomme","year":"2022","journal-title":"Environ. Res."},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib12","doi-asserted-by":"crossref","first-page":"69","DOI":"10.1016\/S0022-3999(01)00296-3","article-title":"The validity of the Hospital Anxiety and Depression Scale. An updated literature review","volume":"52","author":"Bjelland","year":"2002","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib13","doi-asserted-by":"crossref","DOI":"10.3389\/fpubh.2025.1550427","article-title":"Could electrohypersensitivity be a specific form of high sensory processing sensitivity?","volume":"13","author":"Bordarie","year":"2025","journal-title":"Front. Public Health"},{"key":"10.1016\/j.ijheh.2026.114764_bib14","doi-asserted-by":"crossref","DOI":"10.1016\/j.envint.2024.108612","article-title":"The effects of radiofrequency electromagnetic fields exposure on human self-reported symptoms: a systematic review of human experimental studies","volume":"187","author":"Bosch-Capblanch","year":"2024","journal-title":"Environ. Int."},{"key":"10.1016\/j.ijheh.2026.114764_bib15","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1016\/j.envres.2017.03.040","article-title":"Are media reports able to cause somatic symptoms attributed to WiFi radiation? An experimental test of the negative expectation hypothesis","volume":"156","author":"Br\u00e4scher","year":"2017","journal-title":"Environ. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib16","doi-asserted-by":"crossref","DOI":"10.1016\/j.envres.2020.110019","article-title":"Prospective study of nocebo effects related to symptoms of idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF)","volume":"190","author":"Br\u00e4scher","year":"2020","journal-title":"Environ. Res."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib17","first-page":"1","article-title":"A dendrite method for cluster analysis","volume":"3","author":"Calinski","year":"1974","journal-title":"Commun. Stat. Theor. Methods"},{"key":"10.1016\/j.ijheh.2026.114764_bib18","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/j.mhp.2017.03.005","article-title":"Somatic symptoms of anxiety and depression: a population-based study","volume":"6","author":"Carlehed","year":"2017","journal-title":"Mental Health & Prevention"},{"issue":"7","key":"10.1016\/j.ijheh.2026.114764_bib19","doi-asserted-by":"crossref","first-page":"568","DOI":"10.1016\/j.puhe.2004.07.011","article-title":"Prevalence of annoyance attributed to electrical equipment and smells in a Swedish population, and relationship with subjective health and daily functioning","volume":"119","author":"Carlsson","year":"2005","journal-title":"Public Health"},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib20","doi-asserted-by":"crossref","first-page":"295","DOI":"10.1097\/JOM.0000000000001249","article-title":"Comorbidity of airway inflammatory diseases in chemical and building-related intolerance","volume":"60","author":"Claeson","year":"2018","journal-title":"J. Occup. Environ. Med."},{"key":"10.1016\/j.ijheh.2026.114764_bib21","series-title":"Biostatistics: a Foundation for Analysis in Tthe Health Sciences","author":"Daniel","year":"1999"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib22","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0246461","article-title":"Multiple chemical sensitivity described in the Danish general population: cohort characteristics and the importance of screening for functional somatic syndrome comorbidity-the DanFunD study","volume":"16","author":"Dantoft","year":"2021","journal-title":"PLoS One"},{"issue":"6","key":"10.1016\/j.ijheh.2026.114764_bib23","doi-asserted-by":"crossref","first-page":"1257","DOI":"10.1016\/j.jaci.2006.07.046","article-title":"Multiple chemical sensitivities: a systematic review of provocation studies","volume":"118","author":"Das-Munshi","year":"2006","journal-title":"J. Allergy Clin. Immunol."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib24","doi-asserted-by":"crossref","first-page":"274","DOI":"10.1097\/MOO.0b013e328259c360","article-title":"Multiple chemical sensitivities: review","volume":"15","author":"Das-Munshi","year":"2007","journal-title":"Curr. Opin. Otolaryngol. Head Neck Surg."},{"key":"10.1016\/j.ijheh.2026.114764_bib25","author":"Diedenhofen"},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib26","doi-asserted-by":"crossref","first-page":"48","DOI":"10.1186\/s12940-020-00602-0","article-title":"Electromagnetic hypersensitivity: a critical review of explanatory hypotheses","volume":"19","author":"Dieudonn\u00e9","year":"2020","journal-title":"Environ. Health : A Global Access Science Source"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib27","doi-asserted-by":"crossref","first-page":"136","DOI":"10.1111\/sjop.12271","article-title":"Dispositional aspects of body focus and idiopathic environmental intolerance attributed to electromagnetic fields (IEI-EMF)","volume":"57","author":"D\u00f6m\u00f6t\u00f6r","year":"2016","journal-title":"Scand. J. Psychol."},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib28","doi-asserted-by":"crossref","DOI":"10.1016\/j.heliyon.2022.e09421","article-title":"An idiographic approach to Idiopathic Environmental Intolerance attributed to Electromagnetic Fields (IEI-EMF) Part II. Ecological momentary assessment of three individuals with severe IEI-EMF","volume":"8","author":"D\u00f6m\u00f6t\u00f6r","year":"2022","journal-title":"Heliyon"},{"key":"10.1016\/j.ijheh.2026.114764_bib29","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2020.109964","article-title":"The impact of multiple chemical sensitivity on people's social and occupational functioning; a systematic review of qualitative research studies","volume":"132","author":"Driesen","year":"2020","journal-title":"J. Psychosom. Res."},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib30","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1111\/sjop.12713","article-title":"Somatic symptoms of helplessness and hopelessness","volume":"62","author":"Ejdemyr","year":"2021","journal-title":"Scand. J. Psychol."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib32","doi-asserted-by":"crossref","first-page":"2521","DOI":"10.1121\/1.5063818","article-title":"Effects of very high-frequency sound and ultrasound on humans. Part II: a double-blind randomized provocation study of inaudible 20-kHz ultrasound","volume":"144","author":"Fletcher","year":"2018","journal-title":"J. Acoust. Soc. Am."},{"key":"10.1016\/j.ijheh.2026.114764_bib33","series-title":"An R Companion to Applied Regression (Third)","author":"Fox","year":"2019"},{"key":"10.1016\/j.ijheh.2026.114764_bib34","series-title":"Mclust: Gaussian Mixture Modelling for Model-based Clustering, Classification, and Density Estimation (Version 6.1.1)","author":"Fraley","year":"2024"},{"key":"10.1016\/j.ijheh.2026.114764_bib35","doi-asserted-by":"crossref","DOI":"10.1016\/j.psychres.2023.115265","article-title":"An overview of clustering methods with guidelines for application in mental health research","volume":"327","author":"Gao","year":"2023","journal-title":"Psychiatry Res."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib36","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1080\/07399330903042823","article-title":"Of the world but not in it: barriers to community access and education for persons with environmental sensitivities","volume":"31","author":"Gibson","year":"2010","journal-title":"Health Care Women Int."},{"issue":"12","key":"10.1016\/j.ijheh.2026.114764_bib37","doi-asserted-by":"crossref","first-page":"1498","DOI":"10.1289\/ehp.5936","article-title":"Perceived treatment efficacy for conventional and alternative therapies reported by persons with multiple chemical sensitivity","volume":"111","author":"Gibson","year":"2003","journal-title":"Environ. Health Perspect."},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib38","article-title":"Unmet medical care needs in persons with multiple chemical sensitivity: a grounded theory of contested illness","volume":"6","author":"Gibson","year":"2015","journal-title":"J. Nurs. Educ. Pract."},{"key":"10.1016\/j.ijheh.2026.114764_bib39","doi-asserted-by":"crossref","DOI":"10.5402\/2011\/838930","article-title":"Physicians' perceptions and practices regarding patient reports of multiple chemical sensitivity","volume":"2011","author":"Gibson","year":"2011","journal-title":"ISRN Nursing"},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib40","doi-asserted-by":"crossref","first-page":"72","DOI":"10.1111\/j.1365-2702.2008.02439.x","article-title":"Sickness-related dysfunction in persons with self-reported multiple chemical sensitivity at four levels of severity","volume":"18","author":"Gibson","year":"2009","journal-title":"J. Clin. Nurs."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib41","doi-asserted-by":"crossref","first-page":"422","DOI":"10.1111\/sjop.12449","article-title":"Characteristics of perceived electromagnetic hypersensitivity in the general population","volume":"59","author":"Gruber","year":"2018","journal-title":"Scand. J. Psychol."},{"key":"10.1016\/j.ijheh.2026.114764_bib42","doi-asserted-by":"crossref","first-page":"222","DOI":"10.1016\/j.jad.2024.05.029","article-title":"Mechanistic studies in pathological health anxiety: a systematic review and emerging conceptual framework","volume":"358","author":"Guthrie","year":"2024","journal-title":"J. Affect. Disord."},{"key":"10.1016\/j.ijheh.2026.114764_bib43","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2020.109955","article-title":"\u201cSymptoms associated with environmental factors\u201d (SAEF) - towards a paradigm shift regarding \u201cidiopathic environmental intolerance\u201d and related phenomena","volume":"131","author":"Haanes","year":"2020","journal-title":"J. Psychosom. Res."},{"issue":"6","key":"10.1016\/j.ijheh.2026.114764_bib44","doi-asserted-by":"crossref","first-page":"628","DOI":"10.1016\/j.jpsychores.2015.06.010","article-title":"Mindfulness-based cognitive therapy (MBCT) for multiple chemical sensitivity (MCS): results from a randomized controlled trial with 1 year follow-up","volume":"79","author":"Hauge","year":"2015","journal-title":"J. Psychosom. Res."},{"issue":"60","key":"10.1016\/j.ijheh.2026.114764_bib45","doi-asserted-by":"crossref","first-page":"215","DOI":"10.4103\/1463-1741.102956","article-title":"Noise sensitivity and multiple chemical sensitivity scales: properties in a population based epidemiological study","volume":"14","author":"Heinonen-Guzejev","year":"2012","journal-title":"Noise Health"},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib46","doi-asserted-by":"crossref","DOI":"10.1136\/bmjopen-2024-088136","article-title":"Multiple chemical sensitivity (MCS) validity, prevalence, tools and interventions: systematic review protocol","volume":"15","author":"Hempel","year":"2025","journal-title":"BMJ Open"},{"key":"10.1016\/j.ijheh.2026.114764_bib47","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2023.111429","article-title":"Emotion dynamics and somatic symptoms in everyday life: ecological momentary assessment in somatic symptom disorder and healthy controls","volume":"172","author":"Hennemann","year":"2023","journal-title":"J. Psychosom. Res."},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib48","doi-asserted-by":"crossref","first-page":"422","DOI":"10.1097\/PSY.0000000000000588","article-title":"Persistent physical symptoms as perceptual dysregulation: a neuropsychobehavioral model and its clinical implications","volume":"80","author":"Henningsen","year":"2018","journal-title":"Psychosom. Med."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib49","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1177\/0960327112457189","article-title":"Review of evidence for a toxicological mechanism of idiopathic environmental intolerance","volume":"32","author":"Hetherington","year":"2013","journal-title":"Hum. Exp. Toxicol."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib50","doi-asserted-by":"crossref","first-page":"33","DOI":"10.5271\/sjweh.644","article-title":"Prevalence of self-reported hypersensitivity to electric or magnetic fields in a population-based questionnaire survey","volume":"28","author":"Hillert","year":"2002","journal-title":"Scand. J. Work. Environ. Health"},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib51","doi-asserted-by":"crossref","first-page":"267","DOI":"10.1007\/s12199-009-0095-8","article-title":"Evaluation of subjective symptoms of Japanese patients with multiple chemical sensitivity using QEESI","volume":"14","author":"Hojo","year":"2009","journal-title":"Environ. Health Prev. Med."},{"key":"10.1016\/j.ijheh.2026.114764_bib52","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1016\/j.envres.2017.11.034","article-title":"Association between media coverage and prevalence of idiopathic environmental intolerance attributed to electromagnetic field in Taiwan","volume":"161","author":"Huang","year":"2018","journal-title":"Environ. Res."},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib53","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1023\/A:1009769707641","article-title":"Extensions to the k-means algorithm for clustering large data sets with categorical variables","volume":"2","author":"Huang","year":"1998","journal-title":"Data Min. Knowl. Discov."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib54","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1007\/BF01908075","article-title":"Comparing partitions","volume":"2","author":"Hubert","year":"1985","journal-title":"J. Classif."},{"key":"10.1016\/j.ijheh.2026.114764_bib55","first-page":"163","article-title":"Analysis of variance and the general linear model","volume":"vol. 3","author":"Jaccard","year":"2012"},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib56","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1037\/amp0000263","article-title":"Editorial: Journal article reporting standards","volume":"73","author":"Kazak","year":"2018","journal-title":"Am. Psychol."},{"key":"10.1016\/j.ijheh.2026.114764_bib57","doi-asserted-by":"crossref","first-page":"220","DOI":"10.1016\/j.envres.2017.11.014","article-title":"Prevalence of various environmental intolerances in a Swedish and Finnish general population","volume":"161","author":"Karvala","year":"2018","journal-title":"Environ. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib58","author":"Kassambara"},{"key":"10.1016\/j.ijheh.2026.114764_bib59","doi-asserted-by":"crossref","DOI":"10.1016\/j.cpr.2024.102382","article-title":"Vague sensations. About the background and consequences of discordance between actual and perceived physiological changes","volume":"108","author":"K\u00f6teles","year":"2024","journal-title":"Clin. Psychol. Rev."},{"key":"10.1016\/j.ijheh.2026.114764_bib60","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2024.111637","article-title":"Do somatic symptom distress and attribution predict symptoms associated with environmental factors?","volume":"179","author":"K\u00f6teles","year":"2024","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib61","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2024.111830","article-title":"Online acceptance and commitment therapy (iACT) for adults with persistent physical symptoms - 3-month follow-up study of a randomized controlled trial","volume":"183","author":"Lappalainen","year":"2024","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib62","article-title":"Multiple chemical sensitivity: a review of its pathophysiology","volume":"350\u2013362","author":"Lavric","year":"2024","journal-title":"Exploration of Asthma & Allergy"},{"key":"10.1016\/j.ijheh.2026.114764_bib63","doi-asserted-by":"crossref","DOI":"10.3389\/fpubh.2025.1536167","article-title":"Modern health worries and exposure perceptions of individuals reporting varying levels of sensitivity to electromagnetic fields: results of two successive surveys","volume":"13","author":"Ledent","year":"2025","journal-title":"Front. Public Health"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib64","first-page":"175","article-title":"Evaluation de l\u2019anxi\u00e9t\u00e9 et de la d\u00e9pression chez des patients hospitalis\u00e9s dans un service de m\u00e9decine interne [Evaluation of anxiety and depression among patients hospitalized on an internal medicine service]","volume":"143","author":"L\u00e9pine","year":"1985","journal-title":"Ann. Med.-Psychol."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib65","doi-asserted-by":"crossref","first-page":"1205","DOI":"10.1186\/s12889-023-16152-2","article-title":"Prevalence and correlation of multiple chemical sensitivity and electromagnetic hypersensitivity with age, sex, and depression in the Japanese population: a retrospective study","volume":"23","author":"Lu","year":"2023","journal-title":"BMC Public Health"},{"key":"10.1016\/j.ijheh.2026.114764_bib66","series-title":"Cluster: \u201cFinding Groups in Data\u201d (Version 2.1.8.1)","author":"Maechler","year":"2025"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib67","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1080\/08964289.1992.9935172","article-title":"Burnout and risk factors for cardiovascular diseases","volume":"18","author":"Melamed","year":"1992","journal-title":"Behav. Med."},{"issue":"6","key":"10.1016\/j.ijheh.2026.114764_bib68","doi-asserted-by":"crossref","first-page":"566","DOI":"10.1037\/ocp0000334","article-title":"A meta-analytic validation study of the Shirom-Melamed burnout measure: examining variable relationships from a job demands-resources perspective","volume":"27","author":"Michel","year":"2022","journal-title":"J. Occup. Health Psychol."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib69","doi-asserted-by":"crossref","first-page":"329","DOI":"10.1177\/014662168701100401","article-title":"Methodology review: clustering methods","volume":"11","author":"Milligan","year":"1987","journal-title":"Appl. Psychol. Meas."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib70","doi-asserted-by":"crossref","DOI":"10.1186\/s12302-023-00735-2","article-title":"Comparison of environmental intolerances and symptoms between patients with multiple chemical sensitivity, subjects with self-reported electromagnetic hypersensitivity, patients with bronchial asthma, and the general population","volume":"35","author":"Mizukoshi","year":"2023","journal-title":"Environ. Sci. Eur."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib71","first-page":"197","article-title":"Dimensional approaches to psychiatric diagnosis in DSM-5","volume":"14","author":"Narrow","year":"2011","journal-title":"J. Ment. Health Pol. Econ."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib72","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1016\/S0022-3999(01)00224-0","article-title":"How many functional somatic syndromes?","volume":"51","author":"Nimnuan","year":"2001","journal-title":"J. Psychosom. Res."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib73","doi-asserted-by":"crossref","first-page":"216","DOI":"10.1111\/sbr.12024","article-title":"Psychometric evaluation and normative data for the Karolinska Sleep Questionnaire","volume":"11","author":"Nordin","year":"2013","journal-title":"Sleep Biol. Rhythm"},{"key":"10.1016\/j.ijheh.2026.114764_bib74","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.sleep.2016.06.014","article-title":"Sleep and sleepiness in environmental intolerances: a population-based study","volume":"24","author":"Nordin","year":"2016","journal-title":"Sleep Med."},{"key":"10.1016\/j.ijheh.2026.114764_bib75","series-title":"The V\u00e4sterbotten Environmental Health Study","author":"Nordin","year":"2021"},{"key":"10.1016\/j.ijheh.2026.114764_bib76","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1016\/j.jenvp.2018.03.004","article-title":"Prevalence of environmental annoyance in a Swedish and Finnish general population: impact of everyday exposures on affect and behavior","volume":"56","author":"Nordin","year":"2018","journal-title":"J. Environ. Psychol."},{"key":"10.1016\/j.ijheh.2026.114764_bib77","doi-asserted-by":"crossref","DOI":"10.1016\/j.envres.2023.115945","article-title":"Impact of comorbidity on symptomatology in various types of environmental intolerance in a general Swedish and Finnish adult population","volume":"229","author":"Nordin","year":"2023","journal-title":"Environ. Res."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib78","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1007\/s00420-004-0504-7","article-title":"A short Chemical Sensitivity Scale for assessment of airway sensory hyperreactivity","volume":"77","author":"Nordin","year":"2004","journal-title":"Int. Arch. Occup. Environ. Health"},{"issue":"9","key":"10.1016\/j.ijheh.2026.114764_bib79","doi-asserted-by":"crossref","first-page":"8794","DOI":"10.3390\/ijerph110908794","article-title":"Odor and noise intolerance in persons with self-reported electromagnetic hypersensitivity","volume":"11","author":"Nordin","year":"2014","journal-title":"Int. J. Environ. Res. Publ. Health"},{"issue":"7","key":"10.1016\/j.ijheh.2026.114764_bib80","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1007\/s00420-012-0812-2","article-title":"Normative data for the chemical sensitivity scale for sensory hyperreactivity: the V\u00e4sterbotten environmental health study","volume":"86","author":"Nordin","year":"2013","journal-title":"Int. Arch. Occup. Environ. Health"},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib81","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1177\/1403494813475532","article-title":"Metric properties and normative data for brief noise and electromagnetic field sensitivity scales","volume":"41","author":"Nordin","year":"2013","journal-title":"Scand. J. Publ. Health"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib82","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1007\/s12529-012-9221-x","article-title":"Expectancies, socioeconomic status, and self-rated health: use of the simplified TOMCATS Questionnaire","volume":"20","author":"Od\u00e9en","year":"2013","journal-title":"Int. J. Behav. Med."},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib83","doi-asserted-by":"crossref","first-page":"139","DOI":"10.1054\/mehy.2001.1325","article-title":"Common etiology of posttraumatic stress disorder, fibromyalgia, chronic fatigue syndrome and multiple chemical sensitivity via elevated nitric oxide\/peroxynitrite","volume":"57","author":"Pall","year":"2001","journal-title":"Med. Hypotheses"},{"issue":"12","key":"10.1016\/j.ijheh.2026.114764_bib84","doi-asserted-by":"crossref","first-page":"1461","DOI":"10.1289\/ehp.5935","article-title":"Elevated nitric oxide\/peroxynitrite theory of multiple chemical sensitivity: central role of N-methyl-D-aspartate receptors in the sensitivity mechanism","volume":"111","author":"Pall","year":"2003","journal-title":"Environ. Health Perspect."},{"key":"10.1016\/j.ijheh.2026.114764_bib85","series-title":"Environmental intolerance: psychological risk and health factors [Doctoral thesis]","author":"Palmquist","year":"2017"},{"issue":"4-5","key":"10.1016\/j.ijheh.2026.114764_bib86","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1016\/j.ijheh.2013.08.005","article-title":"Overlap in prevalence between various types of environmental intolerance","volume":"217","author":"Palmquist","year":"2014","journal-title":"Int. J. Hyg Environ. Health"},{"issue":"83","key":"10.1016\/j.ijheh.2026.114764_bib87","doi-asserted-by":"crossref","first-page":"178","DOI":"10.4103\/1463-1741.189244","article-title":"Characteristics of hyperacusis in the general population","volume":"18","author":"Paulin","year":"2016","journal-title":"Noise Health"},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib88","doi-asserted-by":"crossref","first-page":"59","DOI":"10.1007\/s00420-018-1356-x","article-title":"Associations between hyperacusis and psychosocial work factors in the general population","volume":"92","author":"Paulin","year":"2019","journal-title":"Int. Arch. Occup. Environ. Health"},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib89","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1111\/j.1467-9450.2008.00660.x","article-title":"A two-week monitoring of self-reported arousal, worry and attribution among persons with annoyance attributed to electrical equipment and smells","volume":"49","author":"Persson","year":"2008","journal-title":"Scand. J. Psychol."},{"key":"10.1016\/j.ijheh.2026.114764_bib90","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2024.111634","article-title":"\u201cAnd how did that make you feel?\u201d - repeated symptom queries enhance symptom reports elicited by negative affect","author":"Petzke","year":"2024","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib91","article-title":"Electrohypersensitivity is always real","volume":"218","author":"Pitron","year":"2022","journal-title":"Environ. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib92","doi-asserted-by":"crossref","DOI":"10.1016\/j.neubiorev.2023.105524","article-title":"Multiple Chemical Sensitivity: catching up to what kind of science?","volume":"157","author":"Pitron","year":"2024","journal-title":"Neurosci. Biobehav. Rev."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib93","doi-asserted-by":"crossref","first-page":"1296","DOI":"10.1186\/s40359-025-03564-5","article-title":"Efficacy of cognitive and behavioral therapy (CBT) treatment for individuals living with symptoms associated with environmental factors (SAEF): protocol for a randomized controlled trial","volume":"13","author":"Pitron","year":"2025","journal-title":"BMC Psychol."},{"key":"10.1016\/j.ijheh.2026.114764_bib94","series-title":"R: a Language and Environment for Statistical Computing","year":"2013"},{"key":"10.1016\/j.ijheh.2026.114764_bib96","author":"Revelle"},{"key":"10.1016\/j.ijheh.2026.114764_bib98","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/0377-0427(87)90125-7","article-title":"Silhouettes: a graphical aid to the interpretation and validation of cluster analysis","volume":"20","author":"Rousseeuw","year":"1987","journal-title":"J. Comput. Appl. Math."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib99","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1159\/000089222","article-title":"A systematic review of treatments for electromagnetic hypersensitivity","volume":"75","author":"Rubin","year":"2006","journal-title":"Psychother. Psychosom."},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib100","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1002\/bem.20536","article-title":"Idiopathic environmental intolerance attributed to electromagnetic fields (formerly \u2018electromagnetic hypersensitivity\u2019): an updated systematic review of provocation studies","volume":"31","author":"Rubin","year":"2010","journal-title":"Bioelectromagnetics"},{"issue":"76","key":"10.1016\/j.ijheh.2026.114764_bib101","doi-asserted-by":"crossref","first-page":"165","DOI":"10.4103\/1463-1741.155850","article-title":"Elucidating the relationship between noise sensitivity and personality","volume":"17","author":"Shepherd","year":"2015","journal-title":"Noise Health"},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib102","doi-asserted-by":"crossref","first-page":"509","DOI":"10.1016\/j.jpsychores.2015.02.005","article-title":"Negative affect is associated with development and persistence of chemical intolerance: a prospective population-based study","volume":"78","author":"Skovbjerg","year":"2015","journal-title":"J. Psychosom. Res."},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib103","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1111\/j.1467-9450.2012.00950.x","article-title":"Mindfulness-based cognitive therapy to treat multiple chemical sensitivities: a randomized pilot trial","volume":"53","author":"Skovbjerg","year":"2012","journal-title":"Scand. J. Psychol."},{"key":"10.1016\/j.ijheh.2026.114764_bib104","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2022.110808","article-title":"Symptoms of Idiopathic Environmental Intolerance associated with chemicals (IEI-C) are positively associated with perceptual anomalies","volume":"157","author":"Speck","year":"2022","journal-title":"J. Psychosom. Res."},{"key":"10.1016\/j.ijheh.2026.114764_bib105","doi-asserted-by":"crossref","first-page":"114","DOI":"10.1016\/j.scitotenv.2015.03.053","article-title":"Noise sensitivity and future risk of illness and mortality","volume":"520","author":"Stansfeld","year":"2015","journal-title":"Sci. Total Environ."},{"issue":"4","key":"10.1016\/j.ijheh.2026.114764_bib106","doi-asserted-by":"crossref","first-page":"324","DOI":"10.1159\/000526614","article-title":"Responsiveness to direct verbal suggestions and dissociation independently predict symptoms associated with environmental factors","volume":"56","author":"Stein","year":"2023","journal-title":"Psychopathology"},{"issue":"6","key":"10.1016\/j.ijheh.2026.114764_bib107","doi-asserted-by":"crossref","first-page":"547","DOI":"10.1016\/S0033-3182(98)71289-7","article-title":"Successful outcome in a patient with chemical sensitivity. Treatment with psychological desensitization and selective serotonin reuptake inhibitor","volume":"39","author":"Stenn","year":"1998","journal-title":"Psychosomatics"},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib108","doi-asserted-by":"crossref","first-page":"499","DOI":"10.1002\/smi.3200","article-title":"Construct validation and normative data for different versions of the Shirom-Melamed burnout questionnaire\/measure in a Swedish population sample","volume":"39","author":"Sundstr\u00f6m","year":"2023","journal-title":"Stress Health : Journal of the International Society for the Investigation of Stress"},{"key":"10.1016\/j.ijheh.2026.114764_bib109","doi-asserted-by":"crossref","DOI":"10.1016\/j.jpsychores.2021.110501","article-title":"Modern health worries and idiopathic environmental intolerance attributed to electromagnetic fields are associated with paranoid ideation","volume":"146","author":"Szemerszky","year":"2021","journal-title":"J. Psychosom. Res."},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib110","doi-asserted-by":"crossref","first-page":"200","DOI":"10.32614\/RJ-2018-048","article-title":"clustMixType: User-Friendly clustering of mixed-type data in R","volume":"10","author":"Szepannek","year":"2019","journal-title":"The R Journal"},{"key":"10.1016\/j.ijheh.2026.114764_bib111","series-title":"Clustmixtype: K-Prototypes Clustering for Mixed Variable-type Data (Version 0.4-2)","author":"Szepannek","year":"2024"},{"key":"10.1016\/j.ijheh.2026.114764_bib112","series-title":"Advances in Data Analysis and Classification","article-title":"Clustering large mixed-type data with ordinal variables","author":"Szepannek","year":"2024"},{"issue":"Pt 2","key":"10.1016\/j.ijheh.2026.114764_bib113","article-title":"Time course of health complaints attributed to RF-EMF exposure and predictors of electromagnetic hypersensitivity over 10 years in a prospective cohort of Dutch adults","volume":"856","author":"Traini","year":"2023","journal-title":"Sci. Total Environ."},{"issue":"5","key":"10.1016\/j.ijheh.2026.114764_bib114","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1016\/S0306-4530(03)00091-X","article-title":"The cognitive activation theory of stress","volume":"29","author":"Ursin","year":"2004","journal-title":"Psychoneuroendocrinology"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib115","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1016\/j.cbpra.2020.05.002","article-title":"Idiopathic environmental intolerance: a treatment model","volume":"28","author":"Van den Bergh","year":"2021","journal-title":"Cognit. Behav. Pract."},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib116","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1177\/1745691620950690","article-title":"Better safe than sorry: a common signature of general vulnerability for psychopathology","volume":"16","author":"Van den Bergh","year":"2021","journal-title":"Perspect. Psychol. Sci. : A Journal of the Association for Psychological Science"},{"issue":"3","key":"10.1016\/j.ijheh.2026.114764_bib117","doi-asserted-by":"crossref","first-page":"551","DOI":"10.1177\/2167702617693327","article-title":"Idiopathic environmental intolerance: a comprehensive model","volume":"5","author":"Van den Bergh","year":"2017","journal-title":"Clin. Psychol. Sci."},{"key":"10.1016\/j.ijheh.2026.114764_bib118","doi-asserted-by":"crossref","first-page":"449","DOI":"10.1016\/B978-0-12-824315-2.00595-9","article-title":"Idiopathic environmental intolerances","volume":"4","author":"Van den Bergh","year":"2024","journal-title":"Encyclopedia of Toxicology"},{"key":"10.1016\/j.ijheh.2026.114764_bib119","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/j.neubiorev.2017.01.015","article-title":"Symptoms and the body: taking the inferential leap","volume":"74","author":"Van den Bergh","year":"2017","journal-title":"Neurosci. Biobehav. Rev."},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib120","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1007\/s00420-016-1185-8","article-title":"Noise sensitivity and hyperacusis in patients affected by multiple chemical sensitivity","volume":"90","author":"Viziano","year":"2017","journal-title":"Int. Arch. Occup. Environ. Health"},{"key":"10.1016\/j.ijheh.2026.114764_bib121","doi-asserted-by":"crossref","DOI":"10.3389\/fpubh.2025.1603692","article-title":"Electrohypersensitivity: what is belief and what is known?","volume":"13","author":"Vocht","year":"2025","journal-title":"Front. Public Health"},{"issue":"2","key":"10.1016\/j.ijheh.2026.114764_bib122","doi-asserted-by":"crossref","DOI":"10.3390\/ijerph15020293","article-title":"Environmental intolerance, symptoms and disability among fertile-aged women","volume":"15","author":"Vuokko","year":"2018","journal-title":"Int. J. Environ. Res. Publ. Health"},{"issue":"Pt A","key":"10.1016\/j.ijheh.2026.114764_bib123","article-title":"Psychological models of development of idiopathic environmental intolerances: evidence from longitudinal population-based data","volume":"204","author":"Watrin","year":"2022","journal-title":"Environ. Res."},{"issue":"9182","key":"10.1016\/j.ijheh.2026.114764_bib124","doi-asserted-by":"crossref","first-page":"936","DOI":"10.1016\/S0140-6736(98)08320-2","article-title":"Functional somatic syndromes: one or many?","volume":"354","author":"Wessely","year":"1999","journal-title":"Lancet (London, England)"},{"key":"10.1016\/j.ijheh.2026.114764_bib125","author":"Wickham"},{"issue":"11-12","key":"10.1016\/j.ijheh.2026.114764_bib126","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1080\/15287390801985687","article-title":"Evidence for a specific link between the personality trait of absorption and idiopathic environmental intolerance","volume":"71","author":"Witth\u00f6ft","year":"2008","journal-title":"J. Toxicol. Environ. Health, Part A"},{"issue":"1","key":"10.1016\/j.ijheh.2026.114764_bib127","doi-asserted-by":"crossref","first-page":"94","DOI":"10.1097\/PSY.0000000000000884","article-title":"Somatosensory illusions elicited by Sham Electromagnetic field exposure: experimental evidence for a predictive processing account of somatic symptom perception","volume":"83","author":"Wolters","year":"2021","journal-title":"Psychosom. Med."},{"key":"10.1016\/j.ijheh.2026.114764_bib128","series-title":"Report of the Workshop on Multiple Chemical Sensitivities (MCS)","year":"1996"},{"issue":"6","key":"10.1016\/j.ijheh.2026.114764_bib129","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1111\/j.1600-0447.1983.tb09716.x","article-title":"The hospital anxiety and depression scale","volume":"67","author":"Zigmond","year":"1983","journal-title":"Acta Psychiatr. Scand."}],"container-title":["International Journal of Hygiene and Environmental Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1438463926000246?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1438463926000246?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T14:31:37Z","timestamp":1776349897000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1438463926000246"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4]]},"references-count":126,"alternative-id":["S1438463926000246"],"URL":"https:\/\/doi.org\/10.1016\/j.ijheh.2026.114764","relation":{},"ISSN":["1438-4639"],"issn-type":[{"value":"1438-4639","type":"print"}],"subject":[],"published":{"date-parts":[[2026,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"One or many environmental intolerance(s)? A cluster analysis over two representative samples","name":"articletitle","label":"Article Title"},{"value":"International Journal of Hygiene and Environmental Health","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ijheh.2026.114764","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 Elsevier GmbH. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}],"article-number":"114764"}}