1. Nursing Department, Prince Sultan Military College of Health Sciences, Dhahran, Saudi Arabia
2. Department of Family Medicine, Arabian Gulf University, Manama, Bahrain
3. Department of Clinical Laboratory Sciences, Prince Sultan Military College of Health Sciences, Dhahran, Saudi Arabia
4. Department of Clinical Laboratory Sciences, King Fahad Military Medical Complex, Dhahran, Saudi Arabia
5. Adult Hematology Unit, Internal Medicine Department, King Fahd Military Medical Complex, Dhahran, Kingdom of Saudi Arabia
6. Graduate School of Educational & Leadership Management, St. Paul University Manila, Philippines