{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T11:22:16Z","timestamp":1790421736883,"version":"4.1.0"},"reference-count":39,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2019,9,23]],"date-time":"2019-09-23T00:00:00Z","timestamp":1569196800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2019,9,23]],"date-time":"2019-09-23T00:00:00Z","timestamp":1569196800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Dig Dis Sci"],"published-print":{"date-parts":[[2020,4]]},"DOI":"10.1007\/s10620-019-05848-4","type":"journal-article","created":{"date-parts":[[2019,9,23]],"date-time":"2019-09-23T14:02:38Z","timestamp":1569247358000},"page":"1074-1081","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Heart Rate Variability and Gastric Electrical Response to a Cold Pressor Task in Youth with Functional Dyspepsia"],"prefix":"10.1007","volume":"65","author":[{"given":"Francisco Miguel","family":"Vargas-Luna","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda Raquel","family":"Huerta-Franco","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer V.","family":"Schurman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amanda D.","family":"Deacy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amber","family":"Bagherian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Harvey","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5871-0967","authenticated-orcid":false,"given":"Craig A.","family":"Friesen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2019,9,23]]},"reference":[{"key":"5848_CR1","doi-asserted-by":"publisher","first-page":"1868","DOI":"10.1111\/j.1572-0241.2005.41893.x","volume":"100","author":"DK Chitkara","year":"2005","unstructured":"Chitkara DK, Rawat DJ, Talley NJ. The epidemiology of childhood recurrent abdominal pain in western countries: a systematic review. Am J Gastroenterol. 2005;100:1868\u20131875. \nhttps:\/\/doi.org\/10.1111\/j.1572-0241.2005.41893.x\n\n.","journal-title":"Am J Gastroenterol"},{"key":"5848_CR2","doi-asserted-by":"publisher","first-page":"1527","DOI":"10.1053\/j.gastro.2005.08.063","volume":"130","author":"A Rasquin","year":"2006","unstructured":"Rasquin A, Di Lorenzo C, Forbes D, et al. Childhood functional gastrointestinal disorders: child\/adolescent. Gastroenterology. 2006;130:1527\u20131537. \nhttps:\/\/doi.org\/10.1053\/j.gastro.2005.08.063\n\n.","journal-title":"Gastroenterology"},{"key":"5848_CR3","doi-asserted-by":"publisher","first-page":"1456","DOI":"10.1053\/j.gastro.2016.02.015","volume":"150","author":"JS Hyams","year":"2016","unstructured":"Hyams JS, Di Lorenzo C, Saps M, Shulman RJ, Staiano A, Van Tilburg M. Childhood functional gastrointestinal disorders: child\/adolescent. Gastroenterology. 2016;150:1456\u20131468. \nhttps:\/\/doi.org\/10.1053\/j.gastro.2016.02.015\n\n.","journal-title":"Gastroenterology"},{"key":"5848_CR4","doi-asserted-by":"publisher","first-page":"187","DOI":"10.1097\/00005176-200402000-00016","volume":"38","author":"LS Walker","year":"2004","unstructured":"Walker LS, Lipani TA, Greene JW, et al. Recurrent abdominal pain symptom subtypes based on the Rome II criteria for pediatric functional gastrointestinal disorders. J Pediatr Gastroenterol Nutr. 2004;38:187\u2013191.","journal-title":"J Pediatr Gastroenterol Nutr"},{"key":"5848_CR5","doi-asserted-by":"publisher","first-page":"291","DOI":"10.1097\/01.mpg.0000178438.64675.c4","volume":"41","author":"JV Schurman","year":"2005","unstructured":"Schurman JV, Friesen CA, Danda CE, et al. Diagnosing functional abdominal pain with the Rome II criteria: parent, child, and clinician agreement. J Pediatr Gasroenterol Nutr. 2005;41:291\u2013295. \nhttps:\/\/doi.org\/10.1097\/01.mpg.0000178438.64675.c4\n\n.","journal-title":"J Pediatr Gasroenterol Nutr"},{"key":"5848_CR6","doi-asserted-by":"publisher","first-page":"41","DOI":"10.1186\/s12876-018-0769-z","volume":"18","author":"T Edwards","year":"2018","unstructured":"Edwards T, Friesen C, Schurman JV. Classification of pediatric functional gastrointestinal disorders related to abdominal pain using Rome III versus Rome IV criterions. BMC Gastroenterol. 2018;18:41. \nhttps:\/\/doi.org\/10.1186\/s12876-018-0769-z\n\n.","journal-title":"BMC Gastroenterol"},{"key":"5848_CR7","doi-asserted-by":"publisher","first-page":"134","DOI":"10.1016\/j.jpeds.2017.12.012","volume":"195","author":"SG Robin","year":"2018","unstructured":"Robin SG, Keller C, Zwiener R, et al. Prevalence of pediatric functional gastrointestinal disorders utilizing the Rome IV criteria. J Pediatr. 2018;195:134\u2013139. \nhttps:\/\/doi.org\/10.1016\/j.jpeds.2017.12.012\n\n.","journal-title":"J Pediatr"},{"key":"5848_CR8","doi-asserted-by":"publisher","first-page":"592","DOI":"10.1111\/apt.13738","volume":"44","author":"NA Koloski","year":"2016","unstructured":"Koloski NA, Jones M, Talley NJ. Evidence that independent gut-to-brain and brain-to-gut pathways operate in the irritable bowel syndrome and functional dyspepsia: a 1-year population-based prospective study. Aliment Pharmacol Ther. 2016;44:592\u2013600. \nhttps:\/\/doi.org\/10.1111\/apt.13738\n\n.","journal-title":"Aliment Pharmacol Ther"},{"key":"5848_CR9","doi-asserted-by":"publisher","first-page":"167","DOI":"10.1042\/cs0920167","volume":"92","author":"G Tougas","year":"1997","unstructured":"Tougas G, Kamath M, Watteel G, et al. Modulation of neurocardiac function by esophageal stimulation in humans. Clin Soc. 1997;92:167\u2013174. \nhttps:\/\/doi.org\/10.1042\/cs0920167\n\n.","journal-title":"Clin Soc"},{"key":"5848_CR10","doi-asserted-by":"publisher","first-page":"iv78","DOI":"10.1136\/gut.47.suppl_4.iv78","volume":"47","author":"G Tougas","year":"2000","unstructured":"Tougas G. The autonomic nervous system in functional bowel disorder. Gut. 2000;47:iv78\u2013iv80. \nhttps:\/\/doi.org\/10.1136\/gut.47.suppl_4.iv78\n\n.","journal-title":"Gut"},{"key":"5848_CR11","doi-asserted-by":"publisher","first-page":"397","DOI":"10.1136\/gut.34.3.397","volume":"34","author":"AE Bharucha","year":"1993","unstructured":"Bharucha AE, Camilleri M, Low PA, Zinsmeister AR. Autonomic dysfunction In gastrointestinal motility disorder. Gut. 1993;34:397\u2013401. \nhttps:\/\/doi.org\/10.1136\/gut.34.3.397\n\n.","journal-title":"Gut"},{"key":"5848_CR12","first-page":"245","volume":"21","author":"VK Kamath","year":"1993","unstructured":"Kamath VK, Fallen EL. Power spectral analysis of heart rate variability: a non-invasive signature of cardiac autonomic function. Crit Rev Biomed Eng. 1993;21:245\u2013311.","journal-title":"Crit Rev Biomed Eng"},{"key":"5848_CR13","doi-asserted-by":"publisher","first-page":"258","DOI":"10.3389\/fpubh.2017.00258","volume":"5","author":"F Shaffer","year":"2017","unstructured":"Shaffer F, Ginsberg JP. An overview of heart rate variability metrics and norms. Front Public Health. 2017;5:258. \nhttps:\/\/doi.org\/10.3389\/fpubh.2017.00258\n\n.","journal-title":"Front Public Health"},{"key":"5848_CR14","doi-asserted-by":"publisher","first-page":"178","DOI":"10.1161\/01.res.59.2.178","volume":"59","author":"M Pagani","year":"1986","unstructured":"Pagani M, Lombardi F, Guzzetti S, et al. Power spectral analysis of heart rate and arterial pressure variabilities as a marker of sympatho-vagal interaction in man and conscious dog. Circ Res. 1986;59:178\u2013193. \nhttps:\/\/doi.org\/10.1161\/01.res.59.2.178\n\n.","journal-title":"Circ Res"},{"key":"5848_CR15","doi-asserted-by":"publisher","first-page":"220","DOI":"10.1126\/science.6166045","volume":"213","author":"S Akselrod","year":"1981","unstructured":"Akselrod S, Gordon D, Ubel FA, Shannon DC, Berger AC, Cohen RJ. Power spectral analysis of heart rate fluctuations: a quantitative probe of beat-to-beat cardiovascular control. Science. 1981;213:220\u2013222. \nhttps:\/\/doi.org\/10.1126\/science.6166045\n\n.","journal-title":"Science"},{"key":"5848_CR16","doi-asserted-by":"publisher","first-page":"206","DOI":"10.1111\/j.1365-2982.2011.01866.x","volume":"24","author":"N Mazurak","year":"2012","unstructured":"Mazurak N, Seredyuk N, Sauer H, Teufel M, Enck P. Heart rate variability in the irritable bowel syndrome: a review of the literature. Neurogastroenterol Motil. 2012;24:206\u2013216. \nhttps:\/\/doi.org\/10.1111\/j.1365-2982.2011.01866.x\n\n.","journal-title":"Neurogastroenterol Motil"},{"key":"5848_CR17","doi-asserted-by":"publisher","first-page":"362","DOI":"10.1016\/j.npep.2003.09.006","volume":"37","author":"J Arlt","year":"2003","unstructured":"Arlt J, Jahn H, Kellner M, Str\u00f6hle A, Yassouridis A, Wiedemann K. Modulation of Sympathetic activity by corticotrophin-releasing hormone and atrial natriuretic peptide. Neuropeptides. 2003;37:362\u2013368. \nhttps:\/\/doi.org\/10.1016\/j.npep.2003.09.006\n\n.","journal-title":"Neuropeptides"},{"key":"5848_CR18","doi-asserted-by":"publisher","first-page":"1509","DOI":"10.1097\/j.pain.0000000000000942","volume":"158","author":"LS Walker","year":"2017","unstructured":"Walker LS, Stone AL, Smith CA, et al. Interacting influences of gender and chronic pain status on parasympathetically-mediated heart rate variability in adolescents and young adults. Pain. 2017;158:1509\u20131516. \nhttps:\/\/doi.org\/10.1097\/j.pain.0000000000000942\n\n.","journal-title":"Pain"},{"key":"5848_CR19","doi-asserted-by":"publisher","first-page":"376","DOI":"10.1111\/j.1365-2982.2007.00906.x","volume":"19","author":"CA Friesen","year":"2007","unstructured":"Friesen CA, Lin Z, Schurman JV, Andre L, McCallum RW. Autonomic nervous system response to a solid meal and water loading in healthy children: its relation to gastric myoelectric activity. Neurogastroenterol Motil. 2007;19:376\u2013382. \nhttps:\/\/doi.org\/10.1111\/j.1365-2982.2007.00906.x\n\n.","journal-title":"Neurogastroenterol Motil"},{"key":"5848_CR20","first-page":"79","volume":"89","author":"J Chen","year":"1994","unstructured":"Chen J, Richards R, McCallum RW. Identification of gastric contraction from the cutaneous electrogastrogram. Am J Gastroenterol. 1994;89:79\u201385.","journal-title":"Am J Gastroenterol"},{"key":"5848_CR21","doi-asserted-by":"publisher","first-page":"265","DOI":"10.1097\/01.mpg.0000189367.99416.5e","volume":"42","author":"CA Friesen","year":"2006","unstructured":"Friesen CA, Lin Z, Hyman PE, et al. Electrogastrography in pediatric functional dyspepsia: relationship to gastric emptying and symptom severity. J Pediatr Gastroenterol Nutr. 2006;42:265\u2013269. \nhttps:\/\/doi.org\/10.1097\/01.mpg.0000189367.99416.5e\n\n.","journal-title":"J Pediatr Gastroenterol Nutr"},{"key":"5848_CR22","doi-asserted-by":"publisher","first-page":"2384","DOI":"10.1023\/A:1026661627304","volume":"43","author":"JD Chen","year":"1998","unstructured":"Chen JD, Lin X, Zhang M, Torres-Pinedo RB, Orr WC. Gastric myoelectrical activity in healthy children and children with functional dyspepsia. Dig Dis Sci. 1998;43:2384\u20132391. \nhttps:\/\/doi.org\/10.1023\/A:1026661627304\n\n.","journal-title":"Dig Dis Sci"},{"key":"5848_CR23","doi-asserted-by":"publisher","first-page":"1012","DOI":"10.1007\/s10620-005-2696-4","volume":"50","author":"CA Friesen","year":"2005","unstructured":"Friesen CA, Lin Z, Garola R, et al. Chronic gastritis is not associated with gastric dysrhythmia or delayed solid emptying in children with dyspepsia. Dig Dis Sci. 2005;50:1012\u20131018. \nhttps:\/\/doi.org\/10.1007\/s10620-005-2696-4\n\n.","journal-title":"Dig Dis Sci"},{"key":"5848_CR24","doi-asserted-by":"publisher","first-page":"2069","DOI":"10.1016\/j.jpedsurg.2006.08.008","volume":"41","author":"MWY Leung","year":"2006","unstructured":"Leung MWY, Wong BPY, Chao NSY, Chung KW, Kwok WK, Liu KKW. Electrogastrography in the management of pediatric functional dyspepsia and motility disorder. J Pediatr Surg. 2006;41:2069\u20132072. \nhttps:\/\/doi.org\/10.1016\/j.jpedsurg.2006.08.008\n\n.","journal-title":"J Pediatr Surg"},{"key":"5848_CR25","doi-asserted-by":"publisher","first-page":"517","DOI":"10.1023\/A:1005493123557","volume":"45","author":"G Riezzo","year":"2000","unstructured":"Riezzo G, Chiloiro M, Guerra V, Borrelli O, Salvia G, Cucchiara S. Comparison of gastric electrical activity and gastric emptying in healthy and dyspeptic children. Dig Dis Sci. 2000;45:517\u2013524. \nhttps:\/\/doi.org\/10.1023\/A:1005493123557\n\n.","journal-title":"Dig Dis Sci"},{"key":"5848_CR26","doi-asserted-by":"publisher","first-page":"218","DOI":"10.1016\/j.jpain.2005.01.349","volume":"6","author":"CL Von Baeyer","year":"2005","unstructured":"Von Baeyer CL, Piira T, Chambers CT, Trapanotto M, Zeltzer LK. Guidelines for the cold pressor task as an experimental pain stimulus for use with children. J Pain. 2005;6:218\u2013227. \nhttps:\/\/doi.org\/10.1016\/j.jpain.2005.01.349\n\n.","journal-title":"J Pain"},{"key":"5848_CR27","doi-asserted-by":"publisher","first-page":"817","DOI":"10.1016\/j.jpain.2012.06.005","volume":"13","author":"KA Birnie","year":"2012","unstructured":"Birnie KA, Petter M, Boerner KE, Noel M, Chambers CT. Contemporary use of the cold pressor task in pediatric pain research: a systematic review of methods. J Pain. 2012;13:817\u2013826. \nhttps:\/\/doi.org\/10.1016\/j.jpain.2012.06.005\n\n.","journal-title":"J Pain"},{"key":"5848_CR28","doi-asserted-by":"publisher","first-page":"282","DOI":"10.1076\/apab.104.3.282.12899","volume":"104","author":"G Riezzo","year":"1996","unstructured":"Riezzo G, Porcelli P, Guerra V, Giorgio I. Effects of different psychophysiological stressors on the cutaneous electrogastrogram in healthy subjects. Acch Physiol Biochem. 1996;104:282\u2013286. \nhttps:\/\/doi.org\/10.1076\/apab.104.3.282.12899\n\n.","journal-title":"Acch Physiol Biochem"},{"key":"5848_CR29","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1540\/jsmr.50.1","volume":"50","author":"S Homma","year":"2014","unstructured":"Homma S. Correlations between anxiety and the stress responses of electrogastrography (EGG) induced by the mirror drawing test (MDT). J Smooth Muscle Res. 2014;50:1\u20137. \nhttps:\/\/doi.org\/10.1540\/jsmr.50.1\n\n.","journal-title":"J Smooth Muscle Res"},{"key":"5848_CR30","doi-asserted-by":"publisher","first-page":"31-e3","DOI":"10.1111\/nmo.12004","volume":"25","author":"F De Giorgi","year":"2013","unstructured":"De Giorgi F, Sarnelli G, Cirillo C, et al. Increased severity of dyspeptic symptoms related to mental stress is associated with sympathetic hyperactivity and enhanced endocrine response in patients with postprandial distress syndrome. Neurogastroenterol Motil. 2013;25:31-e3. \nhttps:\/\/doi.org\/10.1111\/nmo.12004\n\n.","journal-title":"Neurogastroenterol Motil"},{"key":"5848_CR31","doi-asserted-by":"publisher","first-page":"9","DOI":"10.1540\/jsmr.42.9","volume":"42","author":"S Homma","year":"2006","unstructured":"Homma S. Correlations between the responses of electrogastrograms, heart rate and respiratory rate to the stress of the mirror drawing test in human subjects. J Smooth Muscle Res. 2006;42:9\u201319. \nhttps:\/\/doi.org\/10.1540\/jsmr.42.9\n\n.","journal-title":"J Smooth Muscle Res"},{"key":"5848_CR32","doi-asserted-by":"publisher","first-page":"47","DOI":"10.1540\/jsmr.48.47","volume":"48","author":"S Homma","year":"2012","unstructured":"Homma S. Local differences in electrogastrographic responses ti the stress of the mirror drawing test (MDT) as determined by multichannel electrogastrography. J Smooth Muscle Res. 2012;48:47\u201357. \nhttps:\/\/doi.org\/10.1540\/jsmr.48.47\n\n.","journal-title":"J Smooth Muscle Res"},{"key":"5848_CR33","doi-asserted-by":"publisher","first-page":"748","DOI":"10.1097\/meg.0000000000000111","volume":"26","author":"K Dal","year":"2014","unstructured":"Dal K, Deveci OS, Kucukazman M, et al. Decreased parasympathetic activity in patients with functional dyspepsia. Eur J Gastroenterol Hepatol. 2014;26:748\u2013752. \nhttps:\/\/doi.org\/10.1097\/meg.0000000000000111\n\n.","journal-title":"Eur J Gastroenterol Hepatol"},{"key":"5848_CR34","doi-asserted-by":"publisher","first-page":"27","DOI":"10.1023\/A:1013246900041","volume":"47","author":"SL Lorena","year":"2002","unstructured":"Lorena SL, Figueiredo MJ, Almeida JR, Mesquita MA. Autonomic function in patients with functional dyspepsia assessed by 24-h heart rate variability. Dig Dis Sci. 2002;47:27\u201331. \nhttps:\/\/doi.org\/10.1023\/A:1013246900041\n\n.","journal-title":"Dig Dis Sci"},{"key":"5848_CR35","doi-asserted-by":"publisher","first-page":"477","DOI":"10.1016\/j.jpain.2012.02.007","volume":"13","author":"M Jarrett","year":"2012","unstructured":"Jarrett M, Heitkemper M, Czyzewski D, Zeltzer L, Shulman RJ. Autonomic nervous system function in young children with functional abdominal pain or irritable bowel syndrome. J Pain. 2012;13:477\u2013484. \nhttps:\/\/doi.org\/10.1016\/j.jpain.2012.02.007\n\n.","journal-title":"J Pain"},{"key":"5848_CR36","doi-asserted-by":"publisher","first-page":"235","DOI":"10.1016\/j.jpsychores.2009.02.007","volume":"67","author":"M Puzanovova","year":"2009","unstructured":"Puzanovova M, Arbogast PG, Smith CA, Anderson J, Diedrich A, Walker LS. Autonomic activity and somatic symptoms in response to success versus failure on a cognitive task: a comparison of chronic abdominal pain patients and well children. J Psychosom Res. 2009;67:235\u2013243. \nhttps:\/\/doi.org\/10.1016\/j.jpsychores.2009.02.007\n\n.","journal-title":"J Psychosom Res"},{"key":"5848_CR37","doi-asserted-by":"publisher","first-page":"115","DOI":"10.4103\/0975-3583.83040","volume":"2","author":"RK Sharma","year":"2011","unstructured":"Sharma RK, Balhara YP, Sagar R, Deepak KK, Mehta M. Heart rate variability study of childhood anxiety disorders. J Cardiovasc Dis Res. 2011;2:115\u2013122. \nhttps:\/\/doi.org\/10.4103\/0975-3583.83040\n\n.","journal-title":"J Cardiovasc Dis Res"},{"key":"5848_CR38","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1037\/cpp0000095","volume":"3","author":"JV Schurman","year":"2015","unstructured":"Schurman JV, Friesen CA. Identifying potential pediatric chronic abdominal pain triggers using ecological momentary assessment. Clin Pract Pediatr Psychol. 2015;3:131\u2013141. \nhttps:\/\/doi.org\/10.1037\/cpp0000095\n\n.","journal-title":"Clin Pract Pediatr Psychol"},{"key":"5848_CR39","doi-asserted-by":"publisher","first-page":"241","DOI":"10.1007\/s10880-008-9120-0","volume":"15","author":"JV Schurman","year":"2008","unstructured":"Schurman JV, Danda CE, Friesen CA, Hyman PE, Simon SD, Cocjin JT. Variations in psychological profile among children with recurrent abdominal pain. J Clin Psychol Med Settings. 2008;15:241\u2013251. \nhttps:\/\/doi.org\/10.1007\/s10880-008-9120-0\n\n.","journal-title":"J Clin Psychol Med Settings"}],"container-title":["Digestive Diseases and Sciences"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s10620-019-05848-4.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s10620-019-05848-4\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s10620-019-05848-4.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,21]],"date-time":"2020-09-21T23:19:22Z","timestamp":1600730362000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s10620-019-05848-4"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,9,23]]},"references-count":39,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2020,4]]}},"alternative-id":["5848"],"URL":"https:\/\/doi.org\/10.1007\/s10620-019-05848-4","relation":{},"ISSN":["0163-2116","1573-2568"],"issn-type":[{"value":"0163-2116","type":"print"},{"value":"1573-2568","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,9,23]]},"assertion":[{"value":"15 May 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"17 September 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"23 September 2019","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with Ethical Standards"}},{"value":"The authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"Assent was obtained from each participant, and consent was obtained from the legal guardian of each participant.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}}]}}