1. Department of Endocrinology (S.A.P., F.A., M.K.), Ippokration General Hospital, 546 42 Thessaloniki, Greece
2. Department of Endocrinology, Metabolism, and Diabetes Mellitus (P.N.S., F.C.M.), St Savvas Cancer Hospital, 151 22 Athens, Greece
3. Department of Medicine (D.N.), Faculty of Medical & Health Sciences, University of Auckland, Auckland 1142, New Zealand
4. Department of Endocrinology (A.D.A.), 424 General Military Hospital, 564 29 Thessaloniki, Greece
5. Biomedicine Laboratories (V.P.), 157 80 Athens, Greece