[1] Hosp Infantil Mexico Dr Federico Gomez, Inst Nacl Salud, Dept Gastroenterol & Nutr, Mexico City, Mexico
[2] Univ Bosque, Fac Med, Grp Nutr Sociedad Latinoamericana Gastroenterol H, SLAGHNP,LASPGHAN, Bogota, Colombia
[3] Univ El Bosque, Fac Med, Grp Nutr Genet & Metab, Bogota, Colombia
[4] Tecnol Monterrey, Escuela Med & Ciencias Salud, Dept Nutr, Mexico City, Mexico
[5] Pontificia Univ Catolica Ecuador, Fac Med, Posgrad Pediat, Quito, Ecuador
[6] Hosp Especial Pediat, Serv Gastroenterol & Nutr, Panama City, Panama
[7] Hosp Gen Agudos Dr I Pirovano, Grp Trabajo Gastroenterol & Nutr Pediat, Buenos Aires, Argentina
[8] Univ Valle Atemajac, Campus Guadalajara, Jalisco, Mexico
[9] Univ Nacl Autonoma Honduras, Fac Ciencias Med, Dept Pediat, Tegucigalpa, Honduras
[10] Hosp Infantil Dr Robert Reid Cabral, Dept Gastroenterol, Santo Domingo, Dominican Rep
[11] Univ Ciencias Med, Secc Pediat, Inst Gastroenterol, Havana, Cuba
[12] Hosp Mil Escuela Dr Alejandro Davila Bolanos, Serv Pediat, Managua, Nicaragua
[13] Ctr Hosp Pereira Rossell, Montevideo, Uruguay
[14] Hosp La Catolica, San Jose, Costa Rica
[15] Hosp Clin San Borja Arriaran, Serv Pediat, Unidad Nutr, Santiago, Chile
[16] Univ San Carlos, Fac Med, Guatemala City, Guatemala
[17] Univ Mayor San Andres, Fac Med, Dept Med & Salud Mental, La Paz, Bolivia
[18] Ctr Hosp, Hosp Pediat, Gastroenterol & Nutricao Pediat, Coimbra, Portugal
[19] Univ Coimbra, Coimbra, Portugal
[20] Univ Nacl Asuncion, Hosp Clin, Fac Ciencias Med, Catedra & Serv Pediat, Asuncion, Paraguay
[21] Hosp Univ Navarra, Secc Gastroenterol & Nutr Pediat, NAVARRA BIOMED, Pamplona, Navarra, Spain
[22] Univ Los Andes, Hosp Univ Valera Dr Pedro Emilio Carrillo, Dept Pediat, Valera, Venezuela
[23] Univ Los Andes, Hosp Univ Valera Dr Pedro Emilio Carrillo, Unidad Gastroenterol Hepatol & Nutr, Valera, Venezuela
[24] Pontificia Univ Javeriana, Fac Ciencias, Dept Nutr & Bioquim, Bogota, Colombia
[25] Pontificia Univ Catolica Rio Grande do Sul, Escuela Med, Porto Alegre, Brazil
[26] Hosp Nacl Docente Madre Nino San Bartolome, Dept Pediat, Serv Subespecial Pediat, Lima, Peru
[27] Gastroenterol Pediat, La Libertad, El Salvador
[28] Ludwig Maximilian Univ Munich, Dr von Hauner Childrens Hosp, LMU Munich, Dept Pediat,Med Ctr, Munich, Germany