1 Division of Gastroenterology, Hepatology and Nutrition, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA.
2 Division of Gastroenterology, Duke University Health System, Raleigh, North Carolina, USA.
3 Department of Gastroenterology, Hepatology & Nutrition, Cleveland Clinic, Cleveland, Ohio, USA.
4 Division of Gastroenterology and Hepatology, Stony Brook Medicine, Stony Brook, New York, USA.
5 Digestive Diseases Center, University of Chicago, Chicago, Illinois, USA.
6 Division of Gastroenterology and Hepatology, University of Virginia Health Systems, Charlottesville, Virginia, USA.
7 Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri, USA.
8 Department of Gastroenterology, Swedish Medical Center, Issaquah, Washington, USA.
9 Department of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona, USA.
10 Division of Gastroenterology, Department of Internal Medicine, Harvard Medical School and Massachusetts General Hospital, Boston, Massachusetts, USA.
11 Department of Gastroenterology, Emory University, Atlanta, Georgia, USA.
12 Department of Gastroenterology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
13 Division of Gastroenterology, Hepatology and Nutrition, University of Minnesota, Minneapolis, Minnesota, USA.
14 Department of Gastroenterology, Zucker School of Medicine at Hofstra/Northwell, Long Island Jewish Medical Center, New Hyde Park, New York, USA.
15 Division of Gastroenterology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York, USA.
16 Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA.
17 Division of Gastroenterology, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts, USA.