1. Clinical Center of Kragujevac, Clinic for General and Thoracic Surgery, Kragujevac, Serbia + University of Kragujevac, Faculty of Medical Sciences, Department of Surgery, Kragujevac, Serbia
2. University of Kragujevac, Faculty of Sciences, Institute of Biology and Ecology, Kragujevac, Serbia
3. University of Kragujevac, Faculty of Medical Sciences, Department of Pathology, Kragujevac, Serbia
4. Military Medical Academy, Clinic for Orthopedic Surgery and Traumatology, Belgrade, Serbia
5. University of Kragujevac, Faculty of Medical Sciences, Department of Anatomy, Kragujevac, Serbia
6. University of Kragujevac, Institute for Infrormation Technologies, Department of Natural Sciences, Kragujevac, Serbia