1. Military Medical Academy, Clinic for Orthopedic Surgery and Traumatology, Belgrade
2. Faculty of Medical Sciences, Department of Anatomy and Forensic Medicine, Kragujevac
3. Military Medical Academy, Clinic for General Surgery, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
4. University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
5. Faculty of Medical Sciences, Department of Internal Medicine, Kragujevac
6. Medical Center, Department of Orthopedics, Ćuprija