1. Clinic for Endocrinology, Diabetes and Metabolic diseases, Clinical Centre Banja Luka, and School of Medicine; University of Banja Luka; 78000; Banja Luka; Republic of Srpska; Bosnia and Herzegovina
2. Pediatric Clinic; Clinical Centre Banja Luka; 78000; Banja Luka; Republic of Srpska; Bosnia and Herzegovina
3. University Children's Hospital, UMC, Department of Pediatric Endocrinology, Diabetes and Metabolism, and Medical Faculty; University of Ljubljana; 1000; Ljubljana; Slovenia