1 Department of Endocrinology, Diabetes and Metabolic Diseases, University Medical Centre Ljubljana, Zaloška cesta 7, 1000, Ljubljana, Slovenia.
2 Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
3 Department of Endocrinology, Diabetes and Metabolic Diseases, University Children's Hospital, University Medical Centre Ljubljana, Ljubljana, Slovenia.
4 Department of Endocrinology, Diabetes and Metabolic Diseases, University Medical Centre Ljubljana, Zaloška cesta 7, 1000, Ljubljana, Slovenia. andrej.janez@kclj.si.
5 Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia. andrej.janez@kclj.si.