1. Department of Spinal Surgery, Clinic for Orthopedics and Traumatology, University Clinical Center Kragujevac , Kragujevac , 34000 , Serbia
2. Department of Traumatology, Clinic for Orthopedics and Traumatology, University Clinical Center Kragujevac , Kragujevac , 34000 , Serbia
3. Department of Surgery, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovica St. 69 , Kragujevac , 34000 , Serbia
4. Vascular Surgery Department, University Clinical Center Kragujevac , Kragujevac , 34000 , Serbia
5. Department of Alloartoplastic Surgery, Clinic for Orthopedics and Traumatology, University Clinical Center Kragujevac , Kragujevac , 34000 , Serbia
6. Department of Anesthesia and Intensive Care, University Clinical Center Kragujevac , Kragujevac , 34000 , Serbia
7. Department of Physical Medicine and Rehabilitation, Faculty of Medical Sciences, University of Kragujevac , Kragujevac , 34000 , Serbia