1. Basic Sciences Department, Faculty of Physical Therapy, Cairo University, Cairo, Egypt.
2. Biomechanics Department, Faculty of Physical Therapy, Cairo University, Dokki, Egypt.
3. Department of Integumentary Physical Therapy, Faculty of Physical Therapy, Kafrelsheikh University, Giza, Egypt.
4. Department of Musculoskeletal Disorders and Their Surgery, Faculty of Physical Therapy, Cairo University, Dokki, Egypt.
5. Basic Science Department, Faculty of Physical Therapy, Beni-Suef University, Cairo, Egypt.
6. Delta University for Science and Technology, Mansoura, Egypt.