1. Department of Surgical Oncology, Institute of oncology and radiology of Serbia, Serbia
2. University of Belgrade School of Medicine, Belgrade, Serbia
3. Department of biomedical statistics, Institute of oncology and radiology of Serbia, Serbia
4. Department of nuclear medicine, Clinical centar of Kragujevac, University of Kragujevac, School of Medicine, Serbia
5. Department of Pathology, Institute of oncology and radiology of Serbia, Serbia
6. Department of nuclear medicine, Institute of oncology and radiology of Serbia, Serbia
7. Department of Surgical Oncology, Institute of Oncology, Ljubljana, Slovenia