1. Department of Surgery, Faculty of Physical Therapy, Cairo University, Egypt
2. Department of Pediatric Physical Therapy, Faculty of Physical Therapy, Cairo University, Egypt
3. Department of Physical Therapy for Surgery, Faculty of Physical Therapy, October 6 University, Egypt
4. Department of Rehabilitation, College of Health and Rehabilitation Sciences, Princess Nourah Bint Abdulrahman University, Saudi Arabia
5. Lecture of Biomechanics, Faculty of Physical Therapy, Cairo University: Giza, Egypt
6. Department of Public Health and Community Medicine, Faculty of Medicine, Cairo University, Egypt
7. Department of Plastic Surgery, Faculty of Medicine, Cairo University, Egypt