1. Surgical Orthopedics, Soroka University Medical Center and Faculty of Heath Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel
2. Department of Pathology, Soroka University Medical Center and Faculty of Health Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel
3. Neurosurgery Department, Soroka University Medical Center and Faculty of Health Sciences, Ben Gurion University of the Negev, Beer-Sheva, Israel