1. Clinical Centre of Vojvodina, Department of Urology, Novi Sad
2. University of California at Davis, Department of Urology, Sacramento, USA
3. Institute of Oncology of Vojvodina, Department of Pathology, Sremska Kamenica + Medical Faculty, Novi Sad
4. Clinical Centre of Vojvodina, Department of Urology, Novi Sad + Medical Faculty, Novi Sad
5. Clinical Centre of Vojvodina, Center for Pathology and Histology, Novi Sad + Medical Faculty, Novi Sad