1. Academic Endocrine Unit (R.V.T., P.J.N., G.V.W.), University of Oxford, Oxford OX3 7LJ, United Kingdom
2. Division of Endocrinology (J.B.), Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York 10032
3. Department of General Surgery (H.D.), Martin Luther University, 06097 Halle-Wittenberg, Germany
4. Faculty of Medicine, Dentistry and Health Sciences (P.R.E.), University of Melbourne, Melbourne, Victoria 3010, Australia
5. Division of Endocrinology and Metabolism (S.M.), Cedars-Sinai Medical Center, Los Angeles, California 90048
6. Department of Medical Genetics (A.S.), Shinshu University School of Medicine, 390-8621 Matsumoto, Japan
7. Departments of Clinical Physiopathology (F.T.), 50134 Florence, Italy
8. Internal Medicine (M.L.B.), University of Florence, 50134 Florence, Italy