[1] Univ Ancona, Dept Internal Med, Div Endocrinol, I-60100 Ancona, Italy
[2] Univ Turin, Dept Clin & Biol Sci, Div Internal Med, I-10063 Turin, Italy
[3] Royal Victoria Hosp, Reg Ctr Endocrinol & Diabet, Belfast BT12 6BA, Antrim, North Ireland
[4] Queens Univ Belfast, Belfast BT12 6BA, Antrim, North Ireland
[5] INSERM, U567, Inst Cochin, F-75014 Paris, France
[6] Univ Paris 05, Dept Endocrinol, F-75014 Paris, France
[7] Fac Cochin, F-75014 Paris, France
[8] Univ Milan, Inst Ricovero & Cura Carattere Sci, Italian Auxol Inst,San Luca Hosp, Dept Endocrinol, I-20149 Milan, Italy
[9] NICHHD, NIH, Bethesda, MD 20892 USA
[10] Univ Bologna, Dept Psychol, I-40127 Bologna, Italy
[11] St Lukes Hosp, Endocrine Diabet Ctr, Milwaukee, WI 53215 USA
[12] CHU Vaudois, Univ Hosp, Div Endocrinol Diabetol & Metab, CH-1011 Lausanne, Switzerland
[13] St Bartholomews Hosp, Dept Endocrinol, London EC1A 7BE, England
[14] Ctr Hosp Univ Montreal, Dept Med, Montreal, PQ H2W 1T7, Canada
[15] Univ Padua, Dept Med & Surg Sci, Div Endocrinol, I-35128 Padua, Italy
[16] Univ Sheffield, No Gen Hosp, Div Clin Sci, Sheffield 55 7AU, S Yorkshire, England
[17] Univ Padua, Dept Mental Hlth, I-35128 Padua, Italy
[18] Univ Padua, Dept Stat Sci, I-35128 Padua, Italy
[19] Univ Virginia Hlth Syst, Charlottesville, VA 22908 USA
[20] Univ Brescia, Dept Internal Med, Endocrine Sect, I-25125 Brescia, Italy