1. University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia + University Clinical Center of Vojvodina, Clinic for Plastic and Reconstructive Surgery, Novi Sad, Serbia
2. University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia + University Clinical Center of Vojvodina, Clinic for Maxillofacial Surgery, Novi Sad, Serbia
3. University of Novi Sad, Faculty of Medicine, Novi Sad, Serbia + University Clinical Center of Vojvodina, Clinic for Anesthesiology, Intensive Care, and Pain Therapy, Novi Sad, Serbia