1. Department of Clinical Laboratory Science; College of Applied Medical Sciences; King Saud University; Riyadh Saudi Arabia
2. Centre of Excellence in Thrombosis and Hemostasis; King Saud University; Riyadh Saudi Arabia
3. Oncology Center; King Faisal Specialist Hospital and Research Centre; Riyadh Saudi Arabia
4. Pathology and Laboratory Medicine; King Faisal Specialist Hospital and Research Centre; Riyadh Saudi Arabia