1. Military Medical Academy, Department of Periodontology and Oral Medicine, Belgrade
2. Military Medical Academy, Department of Oral Surgery, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
3. Military Medical Academy, Department of Periodontology and Oral Medicine, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade
4. Military Medical Academy, Clinic for Dentistry, Department of Orthodontics, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade