1. Divisions of Endocrinology, Diabetology, and Clinical Nutrition (E.C., R.S.), Institute of Pathology, University of Bern, CH-3010 Bern, Switzerland
2. Division of Nuclear Medicine (D.W., F.F.), University Hospital of Basel, CH-4031 Basel, Switzerland
3. Institute of Nuclear Medicine (D.W.), University College Hospital, London W1T 3AA, United Kingdom
4. Divisions of Endocrinology, Diabetes, and Osteology (M.B.), Kantonsspital St. Gallen, CH-9007 St. Gallen, Switzerland
5. Visceral Surgery (T.C.), Kantonsspital St. Gallen, CH-9007 St. Gallen, Switzerland
6. Visceral Surgery (B.G.), Inselspital, University Hospital of Bern, Institute of Pathology, University of Bern, CH-3010 Bern, Switzerland
7. Division of Internal Medicine (F.M.), Bruderholzspital, University of Basel, CH-4056 Basel, Switzerland
8. Division of Radiochemistry (H.M.), University Hospital of Basel, CH-4031 Basel, Switzerland
9. Division of Cell Biology and Experimental Cancer Research (J.C.R.), Institute of Pathology, University of Bern, CH-3010 Bern, Switzerland