A.O. Osoba - National Guard Health Affairs
M. Ibrahim - From the Departments of Pathology and Medicine, King Khalid National Guard Hospital, Jeddah, Saudi Arabia
M. A. Abdelaal - National Guard Health Affairs
A. Al-Mowallad - National Guard Health Affairs
B. Al Shareef - From the Departments of Pathology and Medicine, King Khalid National Guard Hospital, Jeddah, Saudi Arabia
B. Al Haj Hussein - From the Departments of Pathology and Medicine, King Khalid National Guard Hospital, Jeddah, Saudi Arabia