1. Rehabilitation Sciences Department, Health and Rehabilitation Sciences College, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
2. Rehabilitation Medicine Department, Prince Sultan Military Medical School, Riyadh, Saudi Arabia
3. Department of Physical Therapy for Neuromuscular Disorders and its Surgery, Faculty of Physical Therapy, Misr University for Science and Technology, Giza, Egypt
4. Department of Physical Therapy for Neuromuscular Disorders and its Surgery, Faculty of Physical Therapy, Cairo University, Giza, Egypt