1. Department of Obstetrics and Gynecology, King Fahad Military Medical Complex, Dhahran, Saudi Arabia.
2. Department of Clinical Laboratory Sciences, Prince Sultan Military College of Health Sciences, Dammam, Saudi Arabia.
3. Department of Obstetrics and Gynecology, King Fahad Hospital University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.
4. Department of Physical Therapy, King Fahad Military Medical Complex, Dhahran, Saudi Arabia.
5. Internal Medicine Department, King Fahad Military Medical Complex and Department of Internal Medicine, College of Medicine, Imam Abdulrahaman Bin Faisal University, Dammam, Saudi Arabia.
6. Prince Sultan Military Medical City, Riyadh, Saudi Arabia.
7. Preventive Medicine, King Fahd Military Medical Complex, Dhahran, Saudi Arabia.
8. Academic Affairs, Prince Sultan Military College of Health Sciences, Dhahran, Saudi Arabia.
9. Department of Pathology and Laboratory Medicine, Armed Forces Hospital, Jubail, Saudi Arabia.