1. Department of Endocrinology, Diabetes and Metabolic Diseases, Sestre Milosrdnice University Clinical Hospital, 10000 Zagreb, Croatia
2. School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
3. Srebrnjak Children’s Hospital, 10000 Zagreb, Croatia
4. Vuk Vrhovac University Clinic for Diabetes, Endocrinology and Metabolic Diseases, Merkur University Hospital, 10000 Zagreb, Croatia