1. Histocompatibility and Immunogenetic Laboratory (HIL), Department of Pathology and Laboratory Medicine King Fahad Specialist Hospital‐ Dammam Dammam Saudi Arabia
2. Division of Pediatric Nephrology and Kidney Transplant, Liver Transplant Multiorgan Transplant Center King Fahad Specialist Hospital Dammam Saudi Arabia
3. Division of Anatomic Pathology, Department of Pathology and Laboratory Medicine King Fahad Specialist Hospital Dammam Saudi Arabia
4. Histocompatibility and Immunogenetic Lab, Department of Pathology and Laboratory Medicine King Fahad Specialist Hospital Dammam Saudi Arabia