1. Department of Pathology, Faculty of Medicine, King Abdulaziz University and King Abdulaziz University Hospital, Jeddah, Saudi Arabia,
2. Department of Pathology and Laboratory Medicine, King Abdulaziz Medical City, Jeddah, Saudi Arabia,
3. Department of Anatomic Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Jeddah, Saudi Arabia,
4. Department of Laboratory Medicine, Division of Anatomical Pathology, King Fahad Medical City, Riyadh, Saudi Arabia,