1. Injury Prevention and Rehabilitation Center, IDF Medical Forces Headquarters, Aharon Kazir st., Ramat-Gan 5262000, Israel.
2. Physicians Hospital Unit, IDF Medical Forces Headquarters, 1 Aharon Kazir st., Ramat-Gan 5262000, Israel.
3. Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20895.
4. Department of Rehabilitation, Sourasky Medical Center, Weiseman 6 st.,Tel-Aviv 642390, Israel.
5. General Surgeon Headquarters, IDF Medical Forces Headquarters, 1 Aharon Kazir st., Ramat-Gan 5262000, Israel.