1. Institute for Biological Research “Sinisa Stankovic”—National Institute of Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia
2. Faculty of Medicine, University of Novi Sad, 21000 Novi Sad, Serbia
3. Oncology Institute of Vojvodina, 21204 Sremska Kamenica, Serbia
4. Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia