1. Department of Biomedical engineering; Ben-Gurion University of the Negev; Be'er-Sheva Israel
2. Human Motion Analysis Laboratory; Assaf Harofeh Medical Center; Zerifin Israel
3. The Jerusalem Princess Basma Center for Disabled Children; East Jerusalem Palestine
4. Department of Rehabilitation Sciences; Jordan University of Science and Technology; Irbid Jordan
5. Department of Physical Therapy; Faculty of Health Sciences; Ben-Gurion University of the Negev; Be'er-Sheva Israel