1. University of Novi Sad, Faculty of Medicine, University Clinical Center of Vojvodina, Center for Laboratory Medicine, Novi Sad, Serbia
2. University of Novi Sad, Faculty of Science, Department of Biology and Ecology, Novi Sad, Serbia
3. University of Novi Sad, Faculty of Medicine, Clinic for Dentistry of Vojvodina, Novi Sad, Serbia
4. University of Novi Sad, Faculty of Medicine, University Clinical Center of Vojvodina, Clinic for Maxillofacial and Oral Surgery, Novi Sad, Serbia
5. University of Novi Sad, Faculty of Medicine, University Clinical Center of Vojvodina, Center for Pathology and Histology, Serbia
6. Institute of Oncology of Vojvodina, Novi Sad, Serbia
7. University of Novi Sad, Faculty of Medicine, Department of Pharmacy, Novi Sad, Serbia