1 Clinic for Endocrinology, Diabetes and Metabolic Disorders, Clinical Center of Vojvodina, Hajduk Veljkova 1, 21000 Novi Sad, Serbia; Medical Faculty, University of Novi Sad, Hajduk Veljkova 9, 21000 Novi Sad, Serbia. Electronic address: pitstop021@gmail.com.
2 Diabetes Centre, Second Department of Internal Medicine, Democritus University of Thrace, University Hospital of Alexandroupolis, 681 00 Alexandroupolis, Greece. Electronic address: papanasnikos@yahoo.gr.