1. Department of Oncology and Nuclear Medicine University Hospital Center “Sestre milosrdnice,”; Vinogradska cesta 29 10000 Zagreb Croatia
2. Department of Internal Medicine, Division of Endocrinology; Diabetes and Metabolic Diseases “Mladen Sekso,”, University Hospital Center “Sestre Milosrdnice,”; Vinogradska cesta 29 10000 Zagreb Croatia