1. Faculty of Mechanical Engineering; Biorobotics and Biomechanics Lab (BRML); Technion-Israel Institute of Technology; Haifa 32000 Israel
2. Department of Orthopedic Surgery A; Chaim Sheba Medical Center; Ramat-Gan Israel
3. Department of Orthopedics B; Rambam Medical Center; Haifa Israel
4. Department of Orthopedic Surgery; Ha'Emek Medical Center; Afula Israel