1. Department of Medical and Surgical Sciences (A.G.), University of Brescia, I-25018 Montichiari, Italy
2. Assistance Publique-Hôpitaux de Paris et Université Paris-Sud 11 (P.C.), Department of Endocrinology and Reproductive Diseases, F-94275 Le Kremlin-Bicêtre, France
3. Neuroendocrine Unit (M.D.B.), Division of Endocrinology and Metabolism, University of Sao Paulo Medical School, 05311-970 Sao Paulo, Brazil
4. Neuroendocrine Unit (A.K.), Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts 02114
5. Department of Internal Medicine (S.L.), Division of Endocrinology, Erasmus Medical Center, 3000 CA Rotterdam, The Netherlands
6. Division of Endocrinology CHUS (F.F.C.), Department of Medicine, Santiago de Compostela University, 15782 Santiago de Compostela, Spain
7. Department of Endocrinology (P.T.), Christie Hospital, Manchester M20 4BX, United Kingdom
8. Division of Endocrinology (E.G.), University of Turin, 10129 Turin, Italy
9. Pituitary Research Unit (K.H.), Garvan Institute of Medical Research, Sydney, New South Wales 2010, Australia
10. Department of Medicine (S.M.), Cedars-Sinai Medical Center, Los Angeles, California 90048