1. Military Medical Academy, Clinic for Physical Medicine and Rehabilitation, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
2. Institute for Oncology and Radiology of Serbia, Belgrade
3. University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
4. Military Medical Academy, Clinic for Emergency Internal Medicine, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
5. Clinic for Physical Medicine and Rehabilitation “dr M. Zotović”, Belgrade, Serbia
6. Military Medical Academy, Clinic for Haemathology, Belgrade