1. Department of Research (P.L., D.S.), Division of Endocrinology, University Hospitals, CH-4031 Basel, Switzerland
2. Department of Medicine, George Washington University and Veterans Affairs Medical Center (E.S.N., K.L.B.), Washington, D.C. 20422
3. Department of Visceral Surgery (I.L.), University Hospitals, CH-4031 Basel, Switzerland
4. Department of Plastic Surgery (M.S.), University Hospitals, CH-4031 Basel, Switzerland
5. Diabetology and Clinical Nutrition (U.K., B.M.), University Hospitals, CH-4031 Basel, Switzerland