1. University of Novi Sad, Faculty of medicine, Clinical Centre of Vojvodina, Clinic for Plastic and Reconstructive Surgery, Novi Sad, Serbia
2. University of Novi Sad, Faculty of Medicine, Institute for Public Health of Vojvodina, Laboratory for Microbiology, Novi Sad, Serbia
3. University of Novi Sad, Faculty of Medicine, Clinical Centre of Vojvodina, Clinic for Orthopedic Surgery and Traumatology, Novi Sad, Serbia