1. Washington Center for Weight Management, Arlington, Virginia
2. Endocrinology Unit, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
3. Diabetes Research Centre, University of Leicester, Leicester, England
4. NIHR Leicester Biomedical Research Centre, Leicester General Hospital, Leicester, England
5. Novo Nordisk A/S, Søborg, Denmark
6. Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge
7. Departments of Internal Medicine/Endocrinology and Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas
8. Diabetes Unit, Department of Endocrinology and Metabolism, Hadassah Medical Center, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
9. Dallas Diabetes Research Center at Medical City, Dallas, Texas
10. Department of Endocrinology and Nutrition, Hospital Clínico Universitario San Carlos and Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Faculty of Medicine, Universidad Complutense, Madrid, Spain
11. Department of Endocrinology and Metabolic Diseases, Kantonsspital Olten, Olten, Switzerland
12. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia
13. Internal Medicine Department and Obesity Clinic, Hasharon Hospital–Rabin Medical Center, Petach-Tikva, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
14. for the STEP 4 Investigators