1. Radiology Department, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
2. Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
3. Institute for Child and Youth Health Care of Vojvodina, Novi Sad, Serbia
4. Pathology Department, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia
5. Department of Nursing, Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia