Andrej Belančić1, Sanja Klobučar Majanović2,3, Davor Štimac3,4. 1. Department of Clinical Pharmacology, University Hospital Centre Rijeka, Rijeka, Croatia. 2. Division of Endocrinology, Diabetes and Metabolic Diseases, Department of Internal Medicine, University Hospital Centre Rijeka, Rijeka, Croatia. 3. University of Rijeka, Faculty of Medicine, Rijeka, Croatia. 4. Division of Gastroenterology, Department of Internal Medicine, University Hospital Centre Rijeka, Rijeka, Croatia.