Affiliation: | 1. Division of Digestive Diseases, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois, USA;2. Division of Gastroenterology, Hepatology and Nutrition, University of Minnesota, Minneapolis, Minnesota, USA;3. Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA;4. Department of Gastroenterology Hepatology and Nutrition, Division of Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA;5. Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA;6. Department of Gastroenterology, Hepatology and Endoscopy, Brigham and Women''s Hospital, Boston, Massachusetts, USA;7. Division of Gastroenterology, Department of Internal Medicine, Harvard Medical School and Massachusetts General Hospital, Boston, Massachusetts, USA;8. Division of Gastroenterology, Mount Sinai Hospital, New York, New York, USA;9. Department of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona, USA;10. Section for Gastroenterology and Hepatology, Tulane University Health Sciences Center, New Orleans, Louisiana, USA;11. Department of Digestive and Liver Diseases, Columbia University Medical Center/New York-Presbyterian, New York, New York, USA;12. Department of Gastroenterology, Zucker School of Medicine at Hofstra/Northwell, Long Island Jewish Medical Center, New Hyde Park, New York, USA;13. Department of Gastroenterology, Interventional Endoscopy Services, California Pacific Medical Center, San Francisco, California, USA;14. Division of Digestive Diseases and Nutrition, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, USA;15. Division of Gastroenterology, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts, USA |