Affiliations

• ¹ Division of Gastroenterology, Hepatology and Endoscopy, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.
• ² Division of Gastroenterology, John T. Milliken Department of Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA.
• ³ Division of Gastroenterology, University of California San Diego, San Diego, California, USA.
• ⁴ Department of Medicine, Division of Digestive Diseases, Emory University School of Medicine, and Atlanta VA Medical Center, Atlanta, Georgia, USA.
• ⁵ Digestive Disease and Surgery Institute, Cleveland Clinic, OH, USA.
• ⁶ Division of Gastroenterology, Department of Internal Medicine, Houston Methodist Hospital and Texas A&M University, Houston, Texas, USA.
• ⁷ Division of Gastroenterology, University of Colorado-Denver, Aurora, Colorado, USA.
• ⁸ Division of Gastroenterology and Hepatology, Duke University, Durham, North Carolina.
• ⁹ Section of Gastroenterology, Department of Medicine, Boston University School of Medicine, Boston, Massachusetts, USA.
• ¹⁰ Division of Gastroenterology and Hepatology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA.
• ¹¹ Department of Medicine, Division of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia, USA.
• ¹² Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA.
• ¹³ Department of Internal Medicine, Division of Gastroenterology and Hepatology, Saint Louis University, St Louis, Missouri, USA.
• ¹⁴ Division of Gastroenterology Mayo Clinic Arizona, Scottsdale, Arizona, USA.
• ¹⁵ Gastroenterology Section, Phoenix VA Health Care System, University of Arizona-Phoenix.
• ¹⁶ Division of Gastroenterology, Hepatology and Nutrition and the Research and Learning Institutes, Hospital for Sick Children, Department of Paediatrics and the Wilson Centre, University of Toronto, Toronto, Canada.
• ¹⁷ Department of Medicine, Division of Gastroenterology, NYU Grossman School of Medicine, New York, New York, USA.