1. College of Medicine; King Saud Bin Abdulaziz University for Health Sciences; Riyadh Saudi Arabia
2. College of Medicine; AlFaisal University; Riyadh Saudi Arabia
3. King Abdullah International Medical Research Center; King Abdulaziz Medical City, Ministry of National Guard Health Affairs; Riyadh Saudi Arabia
4. Pathology and Laboratory Medicine; King Abdulaziz Medical City, Ministry of National Guard Health Affairs; Riyadh Saudi Arabia