1. Oncology Institute of Vojvodina, Sremska Kamenica, Serbia + University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia
2. Oncology Institute of Vojvodina, Sremska Kamenica, Serbia + University of Novi Sad, Faculty of Sciences, Department of Physics, Novi Sad, Serbia
3. Oncology Institute of Vojvodina, Sremska Kamenica, Serbia