1. Department of Clinical Laboratory Sciences, Chair of Medical and Molecular Genetics Research, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia.
2. Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia.
3. Immunology and HLA Laboratory, Pathology and Clinical Laboratory of Medicine, King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia.