1. Senior Registrar Department of Surgery, King Khalid University Hospital College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. Assistant Professor, Department of Surgery, King Khalid University Hospital College of Medicine, King Saud University, Riyadh, Saudi Arabia
3. Professor and Clinical Chairman, Department of Surgery, King Khalid University Hospital College of Medicine, King Saud University, Riyadh, Saudi Arabia
4. Assistant Professor, Department of Pathology, King Khalid University Hospital College of Medicine, King Saud University, Riyadh, Saudi Arabia