1. Department of Oncology, Addis Ababa University, Addis Ababa, Ethiopia
2. Department of Internal Medicine, University of Gondar, Gondar, Ethiopia
3. Jefferson College of Population Health, Thomas Jefferson University, Philadelphia, PA, USA
4. Radiology Department, Body Imaging Unit, Tikur Anbessa Comprehensive Specialized Referral and Teaching Hospital (TASH), Addis Ababa University, Addis Ababa, Ethiopia
5. Radiology Department, Gondar University Comprehensive Specialized Referral and Teaching Hospital, College of Medical and Health Sciences, University of Gondar, Gondar, Ethiopia
6. Radiology Department, Ethiopian Federal Police Commission Referral Hospital, Addis Ababa, Ethiopia
7. School of Medicine, Debre Tabor University, Debretabor, Ethiopia
8. Hospital Medicine, Jefferson Methodist Hospital, Philadelphia, PA, USA