1. Division of Gastroenterology, School of Medicine & Ege Reflux Study Group Ege University Izmir Turkey
2. Department of Gastroenterology, School of Medicine TOBB University of Economics and Technology Ankara Turkey
3. Gastroenterology Unit Azienda Ospedale Università di Padova (AOUP) Padua Italy
4. Division of Gastroenterology and Hepatology, Digestive Health Center Augusta University Augusta Georgia USA
5. Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA) KU Leuven Leuven Belgium
6. Division of Gastroenterology and Hepatology Johns Hopkins University Baltimore Maryland USA
7. Division of Gastroenterology & Hepatology Mayo Clinic Jacksonville Florida USA
8. Translational Research Center for Gastrointestinal Disorders University of Leuven Leuven Belgium
9. Division of Gastroenterology/Hepatology, Medical College of Georgia Augusta University Augusta Georgia USA
10. Digestive Endoscopy Unit, Division of Gastroenterology Padua University Hospital Padua Italy
11. Division of Gastroenterology, Penn Medicine Philadelphia Pennsylvania USA
12. Division of Gastroenterology and Hepatology Mayo Clinic Jacksonville Florida USA