1. Division of Endocrinology Diabetes, Metabolism, and Nutrition, Mayo Clinic Rochester Minnesota USA
2. Department of Surgery, University of Nebraska Medical Center Nebraska Medical Center Omaha Nebraska USA
3. Recanati Miller Transplant Institute, Department of Surgery Mount Sinai Hospital New York New York USA
4. Eversana New York New York USA
5. Zealand Pharma A/S Søborg Denmark
6. Digestive Disease Center, Bispebjerg Hospital Copenhagen Denmark
7. The Oley Foundation Albany Medical Center Delmar New York USA
8. Department of Gastroenterology, Hepatology and Nutrition Cleveland Clinic Cleveland Ohio USA