1. Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Kingdom of Saudi Arabia
2. Department of Cardiac Sciences, College of medicine, King Fahad Cardiac Center, King Saud University, P.O. Box 7805 (92), Riyadh 11472, Kingdom of Saudi Arabia
3. Stem Cell Units, Anatomy Department, College of Medicine, King Khalid University Hospital, Riyadh, Kingdom of Saudi Arabia
4. Preparatory Year-Saudi Electronic University, Riyadh, Saudi Arabia
5. Department of Pathology, College of medicine, King Saud University, King Khalid University Hospital, P.O. Box 66533, Riyadh 11586, Kingdom of Saudi Arabia
6. Department of Pediatrics, King Khalid University Hospital and College of medicine, King Saud University, P.O. Box 2925, Riyadh 11461, Kingdom of Saudi Arabia
7. Department of Pathology & Laboratory Medicine, King Fahad National Guard Hospital, Riyadh, Saudi Arabia
8. College of Medicine King Saud Bin Abdulaziz University for Health Sciences, P.O. Box 22490, Riyadh 11426, Saudi Arabia