English Abstract initials='g' affs=[] is_editor=false suffix=none equal_contrib=false) initials='j' initials='a' initials='ja' initials='ma' initials='b' initials='n' initials='p' initials='l' initials='s' initials='m' initials='jm' initials='f' initials='c' initials='i' author(firstnames='maria' author(firstnames='ruth' initials='r' initials='e' initials='v' author(firstnames='antonio' author(firstnames='raúl' author(firstnames='javier' author(firstnames='manuel' initials='rm' pmid:22377445 doi:10.1016/j.anpedi.2012.01.015 r espino collabauthor(name='el grupo edane' investigators=[author(firstnames='francisco' lastname='ponce' lastname='escobar' author(firstnames='natividad' lastname='canales' author(firstnames='maría antonia' lastname='reina' author(firstnames='inmaculada' lastname='martín' author(firstnames='elena' lastname='valera' author(firstnames='gabriel' lastname='pou' author(firstnames='enrique' lastname='maqueda' author(firstnames='juan josé' lastname='silva' initials='jj' author(firstnames='ramón' lastname='roldán' author(firstnames='francisco' lastname='calderón' author(firstnames='josé antonio' lastname='delgado' lastname='haro' author(firstnames='ana' lastname='pérez' author(firstnames='izilda' lastname='molina' author(firstnames='miguel Ángel' lastname='diego' author(firstnames='elisa' lastname='márquez' author(firstnames='pilar' lastname='valdés' author(firstnames='eufrasia' lastname='garcía' author(firstnames='alhaurín' lastname='grande' author(firstnames='patricia' author(firstnames='eduardo' lastname='torres' lastname='carrillo' author(firstnames='fuensanta' lastname='costa' lastname='vigueras' author(firstnames='mariano' lastname='yago' lastname='navarro' author(firstnames='pascual' lastname='santos' author(firstnames='servicio' lastname='pediatría' author(firstnames='juan cayetano' lastname='canovas' initials='jc' lastname='luisa' author(firstnames='maría paz' lastname='ortuño' initials='mp' author(firstnames='sebastián' lastname='lorente' lastname='iofrio' author(firstnames='bernardo' lastname='cervantes' author(firstnames='monserrat' lastname='montes' author(firstnames='isabel' lastname='muriel' author(firstnames='amparo' lastname='cabez' author(firstnames='amancio' lastname='gómez' author(firstnames='reyes' lastname='martínez' author(firstnames='carmen' lastname='de la torre' lastname='capitán' author(firstnames='miriam' lastname='gonzález' author(firstnames='josefa' lastname='toledano' author(firstnames='josé' lastname='murcia' author(firstnames='adolfo' lastname='ramírez' lastname='cordero' author(firstnames='luis' lastname='valbuena' author(firstnames='margarita' lastname='tomico' author(firstnames='josé m' lastname='obeo' author(firstnames='rosa maría' lastname='bernal' author(firstnames='maría teresa' lastname='garde' initials='mt' author(firstnames='josé maría' lastname='de cea' author(firstnames='jesús' lastname='jordán' author(firstnames='vicente' lastname='soldevilla' lastname='rubio' author(firstnames='beatriz' lastname='serrano' author(firstnames='virginia' lastname='del rey' author(firstnames='marien' lastname='llorente' author(firstnames='benjamín' lastname='herranz' author(firstnames='eva' lastname='escribano' author(firstnames='carlos' lastname='montachez' author(firstnames='pedro' lastname='rincón' author(firstnames='encarnación' author(firstnames='m Ángeles' lastname='bascones' lastname='villa' lastname='rodríguez' lastname='lassaletta' lastname='sepúlveda' lastname='tosao' author(firstnames='francisco javier' initials='fj' author(firstnames='m carmen' lastname='belda' author(firstnames='santiago' lastname='barrios'