1 Department of Gastroenterology, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
2 Department of Gastroenterology, Zucker School of Medicine at Hofstra/Northwell, Long Island Jewish Medical Center, New Hyde Park, New York, 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 Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA.
6 Division of Gastroenterology and Hepatology, University of Virginia Health Systems, Charlottesville, Virginia, USA.
7 Division of Gastroenterology, Hepatology and Nutrition, The Ohio State Wexner Medical Center, Columbus, Ohio, USA.
8 Department of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona, USA.
9 Division of Gastroenterology, Department of Internal Medicine, Harvard Medical School and Massachusetts General Hospital, Boston, Massachusetts, USA.
10 Division of Gastroenterology, Mount Sinai Hospital, New York, New York, USA.
11 Division of Gastroenterology, Duke University Health System, Raleigh, North Carolina, USA.
12 Division of Gastroenterology and Hepatology, University of Tennessee Health Sciences Center, Memphis, Tennessee, USA.
13 Division of Gastroenterology, Hepatology and Nutrition, University of Minnesota, Minneapolis, Minnesota, USA.
14 Division of Gastroenterology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York, USA.
15 Division of Gastroenterology, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts, USA.