1. Department of Physical Therapy for Obstetrics and Gynaecology, Faculty of Physical Therapy, Cairo University, Egypt
2. Department of Basic Sciences, Faculty of Physical Therapy, Cairo University: 7 Ahmed Elziat Street from Eltahrir Street, Dokki, Giza, Egypt
3. Physiotherapy Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Saudi Arabia
4. Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Saudi Arabia