1. Department of Infectious Diseases, University Hospital Centre Osijek, 4 Josip Huttler Street, HR-31000 Osijek, Croatia
2. Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, 4 Josip Huttler Street, HR-31000 Osijek, Croatia
3. Department of Pharmacology, Faculty of Medicine Osijek, J. J. Strossmayer University of Osijek, 4 Josip Huttler Street, HR-31000 Osijek, Croatia
4. Clinical Institute of Nuclear Medicine and Radiation Protection, University Hospital Centre Osijek, 4 Josip Huttler Street, HR-31000 Osijek, Croatia
5. Department for Nuclear Medicine and Oncology, Faculty of Medicine, J. J. Strossmayer University of Osijek, 4 Josip Huttler Street, HR-31000 Osijek, Croatia
6. Academy of Medical Sciences of Croatia, 15 Kaptol Street, HR-10000 Zagreb, Croatia
7. Department of Endocrinology and Metabolism Disorders, Internal Medicine Clinic, University Hospital Centre Osijek, 4 Josip Huttler Street, HR-31000 Osijek, Croatia
8. Faculty of Dental Medicine and Health Osijek, University of Osijek, 21 Crkvena Street, HR-31000 Osijek, Croatia