1. King Saud Bin Abdul Aziz University for Health Sciences Basic Science, College of Applied Medical Sciences, Riyadh, Saudi Arabia
2. Correspondence: Mr. Nabeel Alzahrani King Saud Bin Abdul Aziz University for Health Sciences Basic Science, College of Applied Medical Sciences, PO Box 3660 Mail Code 3129, 11481 Riyadh, Saudi Arabia alzahranin@ksau-hs.edu.sa
3. King Abdulaziz Medical City, National Guard Health Affairs, Pathology and Laboratory Medicine, Riyadh, Saudi Arabia