1. Department of Endocrinology Diabetes and Metabolism Cleveland Clinic Cleveland Ohio USA
2. Department of Quantitative Health Sciences Cleveland Clinic Cleveland Ohio USA
3. Bariatric and Metabolic Institute, Department of General Surgery Cleveland Clinic Cleveland Ohio USA
4. Kaiser Permanente Washington Health Research Institute Seattle Washington USA
5. Department of Surgery University of Pittsburgh Pittsburgh Pennsylvania USA
6. Department of Metabolism, Endocrinology, and Nutrition University of Washington and VA Puget Sound Health Care System Seattle Washington USA
7. Research Division Joslin Diabetes Center, and Harvard Medical School Boston Massachusetts USA
8. Metamor Institute Pennington Biomedical Research Center Baton Rouge Louisiana USA
9. Division of Endocrinology, Diabetes and Hypertension Brigham and Women's Hospital, and Harvard Medical School Boston Massachusetts USA
10. Division of General & GI Surgery Brigham and Women's Hospital, and Harvard Medical School Boston Massachusetts USA
11. Pennington Biomedical Research Center Baton Rouge Louisiana USA
12. Weill Cornell Medicine Department of Medicine, Division of Endocrinology Diabetes and Metabolism New York New York USA