1. Department of Physical Therapy for Obstetrics and Gynaecology, Faculty of Physical Therapy, Cairo University, Egypt
2. Physiotherapy Department, Faculty of Applied Medical Sciences, Umm Al-Qura University: PO Box 715, Postal Code 21421, Umm Al-Qura University, Makkah, Saudi Arabia
3. Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Saudi Arabia