[1] Univ Hosp, Dept Gastroenterol Hepatol & Infect Dis, Magdeburg, Germany
[2] Univ Hosp Zurich, Dept Gastroenterol & Hepatol, Zurich, Switzerland
[3] San Diego Univ Calif, Rady Childrens Hosp, Div Allergy Immunol, Eosinophil Gastrointestinal Disorders Clin, San Diego, CA USA
[4] Wolters Kluwer Hlth, Waltham, MA USA
[5] Univ Cincinnati, Cincinnati Childrens Hosp Med Ctr, Div Pathol & Lab Med, Coll Med, Cincinnati, OH USA
[6] Univ N Carolina, Ctr Esophageal Dis & Swallowing, Div Gastroenterol & Hepatol, Sch Med, Chapel Hill, NC USA
[7] Childrens Hosp Colorado, Digest Hlth Inst, Sect Pediat Gastroenterol Hepatol & Nutr, Aurora, CO USA
[8] Univ Colorado, Dept Pediat, Gastrointestinal Eosinophil Dis Program, Mucosal Inflammat Program,Sch Med, Aurora, CO USA
[9] Northwestern Univ, Feinberg Sch Med, Div Gastroenterol & Hepatol, Chicago, IL USA
[10] Indiana Univ Sch Med, Community Hosp Network, Riley Hosp Children, Div Pediat Gastroenterol Hepatol Nutr, Indianapolis, IN USA
[11] Northwestern Univ, Feinberg Sch Med, Chicago, IL USA
[12] Hosp Gen Tomelloso, Dept Gastroenterol, Vereda Socuellamos S N, Tomelloso, Spain
[13] Ctr Invest Biomed Red Enfermedades Hepat & Digest, Madrid, Spain
[14] Internal Med Ctr Eppendorf, Ctr Digest Dis, Hamburg, Germany
[15] Sapienza Univ Rome, Maternal & Child Hlth Dept, Pediat Gastroenterol & Liver Unit, Rome, Italy
[16] CHU Vaudois, Div Gastroenterol & Hepatol, Lausanne, Switzerland
[17] Univ Lausanne, Lausanne, Switzerland
[18] Friedrich Alexander Univ Erlangen Nuremberg, Inst Pathol, Klinikum Bayreuth, Bayreuth, Germany
[19] Univ Amsterdam, Med Ctr, Dept Gastroenterol, Amsterdam, Netherlands
[20] Univ Hosp Magdeburg, Dept Gastroenterol Hepatol & Infect Dis, Leipziger Str 44, DE-39120 Magdeburg, Germany