Published on in Vol 5 , No 1 (2021) :January

1 Medical Evaluation and Technology Assessment (ME-TA), Merendree, BE
2 Pediatric Gastroenterology and Nutrition, University Hospital Brussels, Brussels, BE
3 Department of Maternal and Child Health, Gastroenterology Unit, Sapienza University of Rome, Rome, IT
4 Erasmus MC Sophia Childrens’ Hospital Rotterdam, Rotterdam, NL
5 Blizard Institute, Barts and the London School of Medicine, Queen Mary University of London, London, GB
6 Department of Pediatrics, Dr von Hauner Children's Hospital LMU Klinikum, University of Munich, Munich, DE
7 Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium Medicum University of Warmia and Mazury, Olsztyn, PL
8 Pediatric Gastroenterology and Nutrition Unit, Wolfson Medical Center, Holon, IL
9 Institute of Paediatric Gastroenterology, Shaare Zedek Medical Center, The Hebrew University of Jerusalem, Jerusalem, IL
10 Department of Paediatric Gastroenterology, The Royal Hospital for Sick Children, Edinburgh, GB
11 Hôpital Necker Enfants Malades, Assistance Publique - Hôpitaux de Paris, Service de Gastroentérologie Pédiatrique, Paris, FR
12 Faculté de Médecine, Université de Paris, Paris, FR
13 Pediatric Gastroenterology and Nutrition, Vrije Universiteit Brussel, University Hospital Brussels, Brussels, BE