1. Department of Psychiatry, Clinical County Emergency Hospital of Oradea, 410169 Oradea, Romania
2. Second Department of Internal Medicine, ‘Democritus’ University of Thrace Diabetes Centre, 68100 Alexandroupolis, Greece
3. Department of Diabetes, Nutrition and Metabolic Diseases, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
4. Second Propaedeutic Department of Internal Medicine, AHEPA University Hospital, 54636 Thessaloniki, Greece