1. Department of Surgery, CMHS, UAEU, Al Ain, United Arab Emirates
2. Department of Pathology, CMHS, UAEU, Al Ain, United Arab Emirates
3. Department of Family Medicine, College of Medicine and Health Sciences, UAE University, United Arab Emirates
4. Department of Internal Medicine, Ain Shams University, Cairo, Egypt
5. Department of Family Medicine, Ambulatory Health Services, SEHA, Abu Dhabi, United Arab Emirates