1. Department of Physical Therapy for Pediatrics, Faculty of Physical Therapy, Delta University for Science and Technology, Gamasa, Egypt
2. Department of Physical Therapy for Pediatrics, Faculty of Physical Therapy, Misr University for Science and Technology, Egypt
3. Department of Physical Therapy for Orthopedic and its surgery, Faculty of Physical Therapy, Al Hayah University in Cairo, Egypt; Physiotherapy Department, Faculty of Allied Medical Sciences, Middle East university, Amman, Jordan
4. Department of Basic Sciences for physical therapy, Faculty of Physical Therapy, Cairo University, Giza, Egypt; Department of Physical Therapy, College of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
5. Department of Physical Therapy for Pediatrics, Faculty of Physical Therapy, South Valley University, Qena, Egypt ; Department of Physical Therapy for Pediatrics, Faculty of Physical Therapy, Badr University in Assuit (BUA), Egypt