1. General Hospital Subotica, Department of Orthopedics and Traumatology, Subotica
2. Elementary and Secondary School “Milan Petrović”, Novi Sad
3. Institute for Child and Youth Health Care of Vojvodina, Department of Pediatric Surgery, Novi Sad + Faculty of Medicine, Novi Sad
4. Clinical Centre of Vojvodina, Department of Orthopedics and Traumatology, Novi Sad + Faculty of Medicine, Novi Sad
5. Ambulance Service Institute, Novi Sad