1. Military Medical Academy, Endocrinology Clinic, Belgrade, Serbia + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade, Serbia
2. Military Medical Academy, Endocrinology Clinic, Belgrade, Serbia
3. University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade, Serbia + Military Medical Academy, Ophtalmology Clinic, Belgrade, Serbia
4. University Hospital Medical Center “Bežanijska Kosa”, Department of Cardiology, Belgrade, Serbia + University of Belgrade, Faculty of Medicine, Belgrade, Serbia
5. University Hospital Medical Center “Bežanijska Kosa”, Department of Cardiology, Belgrade, Serbia
6. University of Belgrade, Faculty of Medicine, Institute of Forensic Medicine “Milovan Milovanović”, Belgrade, Serbia