1. Faculty of Medicine, Novi Sad + Oncology Institute of Vojvodina, Diagnostic Imaging Centre, Sremska Kamenica, Novi Sad
2. Faculty of Medicine, Novi Sad + Clinical Center of Vojvodina, Clinic of Otorhinolaryngology, Novi Sad
3. Clinical Center of Vojvodina, Center of Radiology, Novi Sad
4. Military Medical Academy, Institute of Radiology, Belgrade + University of Defence, Faculty of Medicine of the Military Medical Academy, Belgrade