1. Department of Pathology, College of Medicine King Saud University Riyadh Saudi Arabia
2. Department of Pathology and Laboratory Medicine Hamad Medical Corporation Doha Qatar
3. Department of Pediatrics Hamad Medical Corporation Doha Qatar
4. Department of Clinical Laboratory Sciences, College of Applied Medical Sciences King Saud University Riyadh Saudi Arabia
5. Genomics, Ontario Institute for Cancer Research Toronto Canada
6. Center for Genetics and Inherited Diseases Taibah University Almadinah Almunawwarah Medina Saudi Arabia