1. Biology Department, Faculty of Sciences, University of Jeddah, Jeddah, Saudi Arabia.
2. Biology Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.
3. Embryonic and Cancer Stem Cell Research Group, King Fahad Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.
4. Obstetrics and Gynecology Department, King Abdulaziz University Hospital, Jeddah, Saudi Arabia.
5. Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.