{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,26]],"date-time":"2026-06-26T07:12:13Z","timestamp":1782457933869,"version":"3.54.5"},"reference-count":40,"publisher":"Springer Science and Business Media LLC","issue":"3","license":[{"start":{"date-parts":[[2020,1,20]],"date-time":"2020-01-20T00:00:00Z","timestamp":1579478400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,1,20]],"date-time":"2020-01-20T00:00:00Z","timestamp":1579478400000},"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":["Eur J Clin Microbiol Infect Dis"],"published-print":{"date-parts":[[2020,3]]},"DOI":"10.1007\/s10096-019-03760-3","type":"journal-article","created":{"date-parts":[[2020,1,20]],"date-time":"2020-01-20T06:02:42Z","timestamp":1579500162000},"page":"575-581","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Evaluation of serological diagnostic tests of human brucellosis for prevention and control in Mexico"],"prefix":"10.1007","volume":"39","author":[{"given":"Carmen","family":"Guzm\u00e1n-Bracho","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Berenice","family":"Salgado-Jim\u00e9nez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liz G.","family":"Beltr\u00e1n-Parra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irma","family":"Hern\u00e1ndez-Monroy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando","family":"Vargas-Pino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Demetrio","family":"Rodr\u00edguez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irma","family":"L\u00f3pez-Mart\u00ednez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sergio","family":"Past\u00e9n-S\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jes\u00fas F.","family":"Gonz\u00e1lez-Rold\u00e1n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge","family":"Membrillo-Hern\u00e1ndez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 Alberto","family":"D\u00edaz-Qui\u00f1\u00f3nez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,1,20]]},"reference":[{"key":"3760_CR1","unstructured":"Corbel MJ. (2006) Brucellosis in humans and animals. WHO\/CDS\/EPR\/2006.7 http:\/\/www.who.int\/csr\/resources\/publications\/Brucellosis.pdf"},{"key":"3760_CR2","unstructured":"Secretaria de Salud, Direcci\u00f3n General de Epidemiolog\u00eda (2017) Anuarios Estad\u00edsticos 1984\u20132016. https:\/\/www.gob.mx\/salud\/acciones-y-programas\/anuarios-de-morbilidad-1984-2016"},{"key":"3760_CR3","doi-asserted-by":"publisher","first-page":"775","DOI":"10.1016\/S1473-3099(07)70286-4","volume":"7","author":"MP Franco","year":"2007","unstructured":"Franco MP, Mulder M, Gilman RH, Smits HL (2007) Human brucellosis. Lancet Infect Dis 7:775\u2013786. https:\/\/doi.org\/10.1016\/S1473-3099(07)70286-4","journal-title":"Lancet Infect Dis"},{"key":"3760_CR4","doi-asserted-by":"publisher","first-page":"117","DOI":"10.20506\/rst.32.1.2192","volume":"32","author":"P Baldi","year":"2013","unstructured":"Baldi P, Giambartolomei G (2013) Pathogenesis and pathobiology of zoonotic brucellosis in humans. Rev Sci Tech 32:117\u2013125","journal-title":"Rev Sci Tech"},{"key":"3760_CR5","doi-asserted-by":"publisher","first-page":"833","DOI":"10.1586\/eri.11.55","volume":"9","author":"S Al Dahouk","year":"2011","unstructured":"Al Dahouk S, N\u00f6ckler K (2011) Implications of laboratory diagnosis on brucellosis therapy. Expert Rev Anti Infect Ther 9:833\u2013845. https:\/\/doi.org\/10.1586\/eri.11.55","journal-title":"Expert Rev Anti Infect Ther"},{"key":"3760_CR6","unstructured":"Secretar\u00eda de Salud. Norma Oficial Mexicana NOM 022-SSA-2012 Para la prevenci\u00f3n y control de la brucelosis en el ser humano (2012) Diario Oficial de la Federaci\u00f3n DOF 11\/07\/2012. M\u00e9xico. http:\/\/dof.gob.mx\/nota_detalle.php?codigo=5258723&fecha=11\/07\/2012"},{"key":"3760_CR7","unstructured":"Secretar\u00eda de Salud, Centro Nacional de Programas Preventivos y Control de Enfermedades (CENAPRECE) (2016) Gu\u00eda para el diagn\u00f3stico y tratamiento del paciente con brucelosis. M\u00e9xico. https:\/\/www.gob.mx\/cms\/uploads\/attachment\/file\/36343\/GuiaBrucelosis.pdf"},{"key":"3760_CR8","unstructured":"Al Dahouk S, Tomaso H, N\u00f6ckler K, Neubauer H, Frangoulidis D (2003) Laboratory-based diagnosis of brucellosis a review of the literature. Part II: serological tests for Brucellosis Clin Lab 49:577\u2013589"},{"key":"3760_CR9","doi-asserted-by":"publisher","first-page":"e250","DOI":"10.1016\/j.ijid.2009.05.008","volume":"14","author":"M Roushan","year":"2010","unstructured":"Roushan M, Amiri M, Laly A, Mostafazadeh A, Bijani A (2010) Follow-up standard agglutination and 2-mercaptoethanol tests in 175 clinically cured cases of human brucellosis. Int J Infect Dis 14:e250\u2013e253. https:\/\/doi.org\/10.1016\/j.ijid.2009.05.008","journal-title":"Int J Infect Dis"},{"key":"3760_CR10","volume-title":"Norma t\u00e9cnica de diagn\u00f3stico y tratamiento de brucelosis humana: N.T. No. 002-MINSA\/DGSP-V.01","author":"Ministerio de Salud","year":"2005","unstructured":"Ministerio de Salud (2005) Norma t\u00e9cnica de diagn\u00f3stico y tratamiento de brucelosis humana: N.T. No. 002-MINSA\/DGSP-V.01. MINSA, Lima, Per\u00fa https:\/\/www.minsa.gob.pe\/portalweb\/06prevencion\/est_san\/archivo\/2011\/NT_Brucelosis.pdf"},{"key":"3760_CR11","doi-asserted-by":"publisher","first-page":"897","DOI":"10.1099\/jmm.0.46097-0","volume":"55","author":"BG Mantur","year":"2006","unstructured":"Mantur BG, Biradar MS, Bidri RC, Mulimani MS, Veerappa KP, Patil SB, Mangalgi SS (2006) Protean clinical manifestations and diagnostic challenges of human brucellosis in adults: 16 years\u2019 experience in an endemic area. J Med Microbiol 55:897\u2013903. https:\/\/doi.org\/10.1099\/jmm.0.46097-0","journal-title":"J Med Microbiol"},{"key":"3760_CR12","first-page":"105","volume":"12","author":"P Eini","year":"2012","unstructured":"Eini P, Keramat F (2012) Hasanzadehhoseinabadi M (2012) Epidemiologic, clinical and laboratory findings of patients with brucellosis in Hamadan, west of Iran. J Res Health Sci 12:105\u2013108","journal-title":"J Res Health Sci"},{"key":"3760_CR13","first-page":"208","volume-title":"Book 1. Redes Nacionales de Laboratorio\/Administraci\u00f3n Nacional de Laboratorios e Institutos\/Ministerio de Salud de Argentina","author":"Centro Nacional Red de Laboratorios","year":"2014","unstructured":"Centro Nacional Red de Laboratorios (2014) Red Nacional de Brucelosis. In: Consalvo F (ed) Book 1. Redes Nacionales de Laboratorio\/Administraci\u00f3n Nacional de Laboratorios e Institutos\/Ministerio de Salud de Argentina, pp 208\u2013215"},{"key":"3760_CR14","doi-asserted-by":"publisher","first-page":"132","DOI":"10.1177\/0049475516688148","volume":"47","author":"N Yentur Doni","year":"2017","unstructured":"Yentur Doni N, Gurses G, Simsek Z, Yildiz Zeyrek F (2017) Yasar G (2017) Investigation of brucellosis in a female agricultural population in Turkey. Trop Doct 47:132\u2013136. https:\/\/doi.org\/10.1177\/0049475516688148","journal-title":"Trop Doct"},{"key":"3760_CR15","doi-asserted-by":"publisher","first-page":"325","DOI":"10.1007\/s15010-015-0748-z","volume":"43","author":"P Andriopoulos","year":"2015","unstructured":"Andriopoulos P, Kalogerakou A, Rebelou D, Gil AP, Zyga S, Gennimata V (2015) Tsironi M (2015) Prevalence of Brucella antibodies on a previously acute brucellosis infected population: sensitivity, specificity and predictive values of Rose Bengal and Wright standard tube agglutination tests. Infection 43:325\u2013330. https:\/\/doi.org\/10.1007\/s15010-015-0748-z","journal-title":"Infection"},{"key":"3760_CR16","unstructured":"InDRE-DGE-Secretar\u00eda de Salud (2016) Lineamientos para la vigilancia epidemiol\u00f3gica de brucelosis por laboratorio. https:\/\/www.gob.mx\/cms\/uploads\/attachment\/file\/159058\/lineamientos_para_vigilancia_de_brucelosis_2.pdf"},{"key":"3760_CR17","doi-asserted-by":"publisher","first-page":"181","DOI":"10.1099\/00222615-1-2-181","volume":"1","author":"W Kerr","year":"1968","unstructured":"Kerr W, McCaughey W, Coghlan J, Payne D, Quaife R, Robertson L, Farrell I (1968) Techniques and interpretations in the serological diagnosis of brucellosis in man. J Med Microbiol 1:181\u2013193","journal-title":"J Med Microbiol"},{"key":"3760_CR18","doi-asserted-by":"publisher","first-page":"177","DOI":"10.20506\/rst.32.1.2204","volume":"32","author":"S Al-Dahouk","year":"2013","unstructured":"Al-Dahouk S, Sprague L, Neubauer H (2013) New developments in the diagnostic procedures for zoonotic brucellosis in humans. Rev Sci Tech 32:177\u2013188","journal-title":"Rev Sci Tech"},{"key":"3760_CR19","first-page":"46","volume":"6","author":"MR Hasanjani-Roushan","year":"2015","unstructured":"Hasanjani-Roushan MR, Ebrahimpour S (2015) Human brucellosis: an overview. Caspian J Intern Med 6:46\u201347","journal-title":"Caspian J Intern Med"},{"key":"3760_CR20","doi-asserted-by":"publisher","first-page":"4000","DOI":"10.1128\/JCM.38.11.4000-4005.2000","volume":"38","author":"A Ordu\u00f1a","year":"2000","unstructured":"Ordu\u00f1a A, Almaraz A, Prado A, Gutierrez MP, Garcia-Pascual A, Due\u00f1as A, CuervoM AR, Hern\u00e1ndez B, Lorenzo B, Bratos MA, Torres AR (2000) Evaluation of an immunocapture-agglutination test (Brucellacapt) for serodiagnosis of human brucellosis. J Clin Microbiol 38:4000\u20134005","journal-title":"J Clin Microbiol"},{"key":"3760_CR21","doi-asserted-by":"publisher","first-page":"102","DOI":"10.1016\/j.jinf.2004.03.004","volume":"49","author":"M Casao","year":"2004","unstructured":"Casao M, Navarro E, Solera J (2004) Evaluation of Brucellacapt for the diagnosis of human brucellosis. J Infect 49:102\u2013108","journal-title":"J Infect"},{"key":"3760_CR22","doi-asserted-by":"publisher","first-page":"50","DOI":"10.5799\/ahinjs.02.2012.02.004","volume":"2","author":"F Arabac\u0131","year":"2012","unstructured":"Arabac\u0131 F, Oldacay M (2012) Evaluation of serological diagnostic tests for human brucellosis in an endemic area. JMID 2:50\u201356. https:\/\/doi.org\/10.5799\/ahinjs.02.2012.02.004","journal-title":"JMID"},{"key":"3760_CR23","doi-asserted-by":"publisher","first-page":"1141","DOI":"10.1128\/cdli.10.6.1141-1146.2003","volume":"10","author":"HL Smits","year":"2003","unstructured":"Smits HL, Abdoel TH, Solera J, Clavijo E, Diaz R (2003) Immunochromatographic Brucella-specific immunoglobulin M and G lateral flow assays for rapid serodiagnosis of human brucellosis. Clin Diagn Lab Immunol 10:1141\u20131146. https:\/\/doi.org\/10.1128\/cdli.10.6.1141-1146.2003","journal-title":"Clin Diagn Lab Immunol"},{"key":"3760_CR24","doi-asserted-by":"publisher","first-page":"688","DOI":"10.4269\/ajtmh.2004.70.688","volume":"70","author":"H Irmak","year":"2004","unstructured":"Irmak H, Buzgan T, Evirgen O, Akdeniz H, Demiroz AP, Abdoel TH, Smits HL (2004) Use of the Brucella IgM and IgG flow assays in the serodiagnosis of human brucellosis in an area endemic for brucellosis. Am J Trop Med Hyg 70:688\u2013694","journal-title":"Am J Trop Med Hyg"},{"key":"3760_CR25","doi-asserted-by":"publisher","first-page":"612","DOI":"10.1128\/cdli.10.4.612-615.2003","volume":"10","author":"E Clavijo","year":"2003","unstructured":"Clavijo E, D\u00edaz R, Anguita A, Garc\u00eda A, Pinedo A, Smits HL (2003) Comparison of a dipstick assay for detection of Brucella-specific immunoglobulin M antibodies with other tests for serodiagnosis of human brucellosis. Clin Diagn Lab Immunol 10:612\u2013615. https:\/\/doi.org\/10.1128\/cdli.10.4.612-615.2003","journal-title":"Clin Diagn Lab Immunol"},{"key":"3760_CR26","doi-asserted-by":"publisher","first-page":"507","DOI":"10.1136\/jcp.31.6.507","volume":"31","author":"A Voller","year":"1978","unstructured":"Voller A, Bartlett A, Bidwell D (1978) Enzyme immunoassays with special reference to ELISA techniques. J Clin Pathol 31:507\u2013520. https:\/\/doi.org\/10.1136\/jcp.31.6.507","journal-title":"J Clin Pathol"},{"key":"3760_CR27","doi-asserted-by":"publisher","first-page":"171","DOI":"10.1111\/j.1699-0463.1988.tb05286.x","volume":"96","author":"G Araj","year":"1988","unstructured":"Araj G, Lulu A, Khateeb M, Saadah M, Shakir R (1988) ELISA versus routine tests in the diagnosis of patients with systemic and neurobrucellosis. APMIS 96:171\u2013176","journal-title":"APMIS"},{"key":"3760_CR28","doi-asserted-by":"publisher","first-page":"148","DOI":"10.1179\/joc.2003.15.2.148","volume":"15","author":"M Almuneef","year":"2003","unstructured":"Almuneef M, Memish Z (2003) Prevalence of Brucella antibodies after acute brucellosis. J Chemother 15:148\u2013151. https:\/\/doi.org\/10.1179\/joc.2003.15.2.148","journal-title":"J Chemother"},{"key":"3760_CR29","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1093\/clinids\/14.1.131","volume":"14","author":"J Ariza","year":"1992","unstructured":"Ariza J, Pellicer T, Pallar\u00e9s R, Foz A, Gudiol F (1992) Specific antibody profile in human brucellosis. Clin Infect Dis 14:131\u2013140. https:\/\/doi.org\/10.1093\/clinids\/14.1.131","journal-title":"Clin Infect Dis"},{"key":"3760_CR30","doi-asserted-by":"publisher","first-page":"159","DOI":"10.2307\/2529310","volume":"33","author":"J Landis","year":"1977","unstructured":"Landis J, Koch G (1977) The measurement of observer agreement for categorical data. Biometrics 33:159\u2013174","journal-title":"Biometrics"},{"key":"3760_CR31","doi-asserted-by":"publisher","first-page":"e1929","DOI":"10.1371\/journal.pntd.0001929","volume":"6","author":"AS Dean","year":"2012","unstructured":"Dean AS, Crump L, Greter H, Hattendorf J, Schelling E, Zinsstag J (2012) Clinical manifestations of human brucellosis: a systematic review and meta-analysis. PLoS Negl Trop Dis 6:e1929. https:\/\/doi.org\/10.1371\/journal.pntd.0001929","journal-title":"PLoS Negl Trop Dis"},{"key":"3760_CR32","doi-asserted-by":"publisher","first-page":"e317","DOI":"10.1371\/journal.pmed.0040317","volume":"4","author":"J Ariza","year":"2007","unstructured":"Ariza J, Bosilkovski M, Cascio A, Colmenero JD, Corbel MJ, Falagas ME, Memish ZA, Roushan MR, Rubinstein E, Sipsas NV, Solera J, Young EJ, Pappas G (2007) International Society of Chemotherapy; Institute of Continuing Medical Education of Ioannina. Perspectives for the treatment of brucellosis in the 21st century: the Ioannina recommendations. PLoS Medicine 4:e317. https:\/\/doi.org\/10.1371\/journal.pmed.0040317","journal-title":"PLoS Medicine"},{"key":"3760_CR33","doi-asserted-by":"publisher","first-page":"19","DOI":"10.1016\/S0378-1135(02)00241-9","volume":"90","author":"JE Luna-Mart\u00ednez","year":"2002","unstructured":"Luna-Mart\u00ednez JE, Mej\u00eda-Ter\u00e1n C (2002) Brucellosis in Mexico: current status and trends. Vet Microbiol 90:19\u201330","journal-title":"Vet Microbiol"},{"key":"3760_CR34","doi-asserted-by":"publisher","first-page":"243","DOI":"10.22231\/asyd.v11i2.76","volume":"11","author":"A Ces\u00edn-Vargas","year":"2014","unstructured":"Ces\u00edn-Vargas A (2014) La leche y los quesos artesanales en M\u00e9xico. Agricultura, Sociedad y Desarrollo 11:243\u2013248","journal-title":"Agricultura, Sociedad y Desarrollo"},{"key":"3760_CR35","doi-asserted-by":"publisher","first-page":"355","DOI":"10.21149\/spm.v56i4.7355","volume":"56","author":"G Garc\u00eda-Ju\u00e1rez","year":"2014","unstructured":"Garc\u00eda-Ju\u00e1rez G, Ram\u00edrez-Bribiesca JE, Hern\u00e1ndez-V\u00e1zquez M, Hern\u00e1ndez-Calva LM, D\u00edaz-Aparicio E, Orozco-Bola\u00f1os H (2014) An\u00e1lisis de riesgos de la brucelosis en el estado de Tlaxcala. Salud P\u00fablica Mex 56:355\u2013362","journal-title":"Salud P\u00fablica Mex"},{"key":"3760_CR36","doi-asserted-by":"publisher","first-page":"539","DOI":"10.11111\/tmi.12856","volume":"22","author":"FF Tuon","year":"2017","unstructured":"Tuon FF, Gondolfo RB, Cerchiari N (2017) Human-to-human transmission of Brucella - a systematic review. Trop Med Int Health 22:539\u2013546. https:\/\/doi.org\/10.11111\/tmi.12856","journal-title":"Trop Med Int Health"},{"key":"3760_CR37","doi-asserted-by":"publisher","first-page":"e950","DOI":"10.1371\/journal.pntd.0000950","volume":"5","author":"R D\u00edaz","year":"2011","unstructured":"D\u00edaz R, Casanova A, Ariza J, Moriy\u00f3n I (2011) The Rose Bengal test in human brucellosis: a neglected test for the diagnosis of a neglected disease. PLoS Negl Trop Dis 5:e950. https:\/\/doi.org\/10.1371\/journal.pntd.0000950","journal-title":"PLoS Negl Trop Dis"},{"key":"3760_CR38","doi-asserted-by":"publisher","first-page":"2325","DOI":"10.1056\/NEJMra050570","volume":"352","author":"G Pappas","year":"2005","unstructured":"Pappas G, Akritidis N, Bosilkovski M, Tsianos E (2005) Brucellosis. N Engl J Med 352:2325\u20132336. https:\/\/doi.org\/10.1056\/NEJMra050570","journal-title":"N Engl J Med"},{"key":"3760_CR39","doi-asserted-by":"publisher","first-page":"1067","DOI":"10.1373\/clinchem.2008.107052","volume":"55","author":"HW Vesper","year":"2009","unstructured":"Vesper HW, Thienpont LM (2009) Traceability in laboratory medicine. Clin Chem 55:1067\u20131075. https:\/\/doi.org\/10.1373\/clinchem.2008.107052","journal-title":"Clin Chem"},{"key":"3760_CR40","doi-asserted-by":"publisher","first-page":"e3390","DOI":"10.1371\/journal.pntd.0003390","volume-title":"PLoS Neglected Tropical Diseases","author":"J Sol\u00eds Garc\u00eda del Pozo","year":"2014","unstructured":"Sol\u00eds Garc\u00eda del Pozo J, Lorente Ortu\u00f1o S, Navarro E, Solera J (2014) Detection of IgM antibrucella antibody in the absence of IgGs: a challenge for the clinical interpretation of Brucella serology. In: Vinetz JM (ed) PLoS Neglected Tropical Diseases, vol 8, p e3390. https:\/\/doi.org\/10.1371\/journal.pntd.0003390"}],"container-title":["European Journal of Clinical Microbiology &amp; Infectious Diseases"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s10096-019-03760-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s10096-019-03760-3\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s10096-019-03760-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,1,19]],"date-time":"2021-01-19T00:24:28Z","timestamp":1611015868000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s10096-019-03760-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,1,20]]},"references-count":40,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2020,3]]}},"alternative-id":["3760"],"URL":"https:\/\/doi.org\/10.1007\/s10096-019-03760-3","relation":{},"ISSN":["0934-9723","1435-4373"],"issn-type":[{"value":"0934-9723","type":"print"},{"value":"1435-4373","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,1,20]]},"assertion":[{"value":"1 August 2019","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"30 October 2019","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"20 January 2020","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":"Not required.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"The study was approved by the Ethics and Research Committee of the General Directorate of Epidemiology, Health Ministry of Mexico.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}