1. Human Cancer Genomic Research; King Faisal Specialist Hospital and Research Centre; Riyadh Saudi Arabia
2. Department of Surgery; Security Forces Hospital; Riyadh Saudi Arabia
3. Department of Pathology; King Faisal Specialist Hospital and Research Centre; Riyadh Saudi Arabia
4. Colorectal Unit; Department of Surgery; King Faisal Specialist Hospital and Research Centre; Riyadh Saudi Arabia
5. Department of Pathology; College of Medicine; Alfaisal University; Riyadh Saudi Arabia