1. Vojvodina Oncology Institute, Sremska Kamenica + Medical Faculty, Novi Sad
2. Mother and Child Health Care Institute of Serbia “Dr Vukan Čupić”, Belgrade + School of Medicine, Belgrade
3. Mother and Child Health Care Institute of Serbia “Dr Vukan Čupić”, Belgrade + University of Banjaluka, Faculty of Medicine, Banja Luka, Republic of Srpska, Bosnia and Herzegovina
4. Vojvodina Oncology Institute, Sremska Kamenica
5. AZ Sint-Maarten Duffel-Mechelen, Department of Radiology, Mechelen, Belgium + Antwerp University Hospital, Department of Radiology, Edegem, Belgium + University of Ghent, Faculty of Medicine and Health Sciences, Ghent, Belgium