1. Division of Endocrinology and Metabolism, First Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, AHEPA University Hospital, Thessaloniki, Greece
2. Second Propedeutic Department of Internal Medicine, Hippokration General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
3. BIOSTATS, Epirus Science and Technology Park Campus of the University of Ioannina, Ioannina, Greece
4. Clinic for Endocrinology, Diabetes and Metabolic Disorders, Clinical Center of Vojvodina, Novi Sad, Serbia
5. Medical Faculty, University of Novi Sad, Novi Sad, Serbia
6. Department of Dietetics and Nutrition, AHEPA University Hospital, Thessaloniki, Greece
7. Laboratory of Biochemistry, AHEPA General Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece