1. Department of Gastroenterology, Amsterdam UMC, Location Vrije Universiteit, 1081 HV Amsterdam, The Netherlands
2. Center for Prevention and Diagnosis of Celiac Disease, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
3. Department of Medicine, Celiac Disease Center, Columbia University Medical Center, 180 Fort Washington Avenue, Suite 936, New York, NY 10032, USA
4. Department of Gastroenterology and Human Nutrition, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
5. Department of Gastroenterology, Palmerston North Hospital, Palmerston North 4442, New Zealand
6. Division of Gastroenterology, Hepatology, and Nutrition, Digestive Disease and Surgery Institute, Cleveland Clinic, Cleveland, OH 44195, USA
7. Department of Gastroenterology, Infectious Diseases, and Rheumatology, Campus Benjamin Franklin, Charité-University Medicine Berlin, 13125 Berlin, Germany
8. Department of Immunology, The Walter and Eliza Hall Institute, Parkville, VIC 3052, Australia
9. Department of Gastroenterology, The Royal Melbourne Hospital, Parkville, VIC 3050, Australia
10. Division of Gastroenterology and Hepatology, University Hospital Zurich, University of Zurich, 8091 Zurich, Switzerland
11. Swiss Celiac Center, Center of Gastroenterology, Clinic Hirslanden, 8032 Zurich, Switzerland
12. Department of Gastroenterology and Hepatology, St. Antonius Hospital, 3435 CM Nieuwegein, The Netherlands