1. Faculty of Medicine Novi Sad, University of Novi Sad, 21000 Novi Sad, Serbia
2. Medical Rehabilitation Clinic Clinical Centre of Vojvodina, 21000 Novi Sad, Serbia
3. Institute for Oncology, Center for Imaging Diagnostic, 21208 Sremska Kamenica, Serbia
4. Dentistry Clinic of Vojvodina, 21000 Novi Sad, Serbia
5. Department of Radiology, Upssala University Hospital, 752 36 Upssala, Sweden