1. Department of Hematology and Immunology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
2. Department of Clinical Pathology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
3. Department of Clinical Pathology (Clinical Chemistry), King Abdulaziz Hospital, Ministry of Health, Makkah, Saudi Arabia
4. Department of Anatomy, Faculty of Medicine, Taibah University, Al Madinah Al Munawarah, Saudi Arabia