1. Department of Radiology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
2. University of Illinois College of Medicine, Chicago, Illinois, United States
3. Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut, United States
4. Diagnostic and Interventional Radiology, Lakeridge Health Corporation, Oshawa, Ontario, Canada
5. Division of Interventional Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States