1. Department of Endocrinology424 General Military Hospital Thessaloniki Greece
2. Center for Bone Quality, Department of Internal Medicine, Section of EndocrinologyLeiden University Medical Center Leiden The Netherlands
3. First Department of Pharmacology, Faculty of MedicineAristotle University of Thessaloniki Thessaloniki Greece
4. Department of Endocrinology and Diabetes and Department of Medical Research251 Hellenic Air Force & VA General Hospital Athens Greece