1. Clinic for Endocrinology, Diabetes and Metabolic Disorders, Clinical Centre of Vojvodina, Novi Sad, Serbia
2. Medical Faculty, University of Novi Sad, Novi Sad, Serbia
3. Division of Endocrinology and Metabolism and Diabetes
Center, First Department of Internal Medicine, Medical School, AHEPA University Hospital, Aristotle University of
Thessaloniki, Thessaloniki, Greece
4. Diabetes Centre, Second Department of Internal Medicine, University Hospital of
Alexandroupolis, Democritus University of Thrace, Greece