1. Department of Physical Therapy for Obstetrics and Gynecology, Faculty of Physical Therapy, Cairo University, Cairo, Egypt
2. Department of Basic Sciences, Faculty of Physical Therapy, Cairo University, Cairo, Egypt
3. Physiotherapy Department, College of Medical and Health Sciences, Ahlia University, Manama, Kingdom of Bahrain
4. Department of Physiotherapy, Kaser El Aini Hospitals, Cairo University, Cairo, Egypt