[1] Hosp Int Colombia, Gastroenterol & Rheumatol, Bucaramanga, Colombia
[2] Sabana Univ, Internal Med, Bogota, Colombia
[3] Univ Bosque, Cellular & Mol Immunol Grp InmuBo, Bogota, Colombia
[4] Univ Caldas, Gastroenterol, Manizales, Colombia
[5] Hosp Misericordia, Pediat Gastroenterol, Bogota, Colombia
[6] San Luis Maternal & Child Clin, Pediat Gastroenterol, Bucaramanga, Colombia
[7] Int Hosp Colombia, Pediat Gastroenterol, Bucaramanga, Colombia
[8] Hosp La Misericordia, Bogota, Colombia
[9] Gastrokids SAS, Pereira, Colombia
[10] Colombian Fdn Inflammatory Bowel Dis, Bucaramanga, Colombia
[11] Georgetown Univ, Div Pediat Gastroenterol Hepatol & Nutr, Washington, DC USA