1. Department of Endocrinology CHU Rangueil (P.C.), 31403 Toulouse, France
2. Department of Endocrinology, CHU de Liege (A.B.), 44000 Liege, Belgium
3. Department of Endocrinology, Royal Hallamshire Hospital (D.R.C.), Sheffield, United Kingdom S25 46B
4. Department of Medicine and Geriatrics, Faculty of Health Sciences, Semmelweis University (M.I.G.), 1135 Budapest, Hungary
5. Department of Medicine, Medizinische Klinik Innenstadt (B.G.), 80336 Munich, Germany
6. Department of Endocrinology, Aalborg Sygehus Nord (P.L.), 9100 Aalborg, Denmark
7. Department of Endocrinology, Hospital General díAlicante (A.H.P.), 03012 Alicante, Spain
8. Division of Endocrinology, Department of Medicine, Helsinki University Central Hospital (M.V.), SF-00290 Helsinki, Finland
9. Department of Endocrinology, Postgraduate Medical Teaching Center (W.Z.), 01-809 Warsaw, Poland