1 Department of Internal Medicine, Endocrinology Section, Clinical Center of Montenegro, Podgorica, Montenegro | Faculty of Medicine, University of Montenegro, Podgorica, Montenegro.
2 Faculty of Medicine, University of Montenegro, Podgorica, Montenegro | Primary Health Center Podgorica, Trg Nikole Kovačevića 6, Podgorica 81000, Montenegro.
3 Department of Internal Medicine, Endocrinology Section, Clinical Center of Montenegro, Podgorica, Montenegro.
4 Department of Endocrinology, Diabetes and Metabolic Diseases, University Medical Center Ljubljana, Zaloska 7, 1000, Ljubljana, Slovenia.