1. Jonathan Zember, MD, is a Pediatric Radiologist, Department of Radiology, Children's National Medical Center; Janet Reid, MD, FRCPC, is a Pediatric Radiologist, Department of Radiology, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania; Yocabel Gorfu, MD, is Faculty, Department of Radiology, College of Health Sciences, Addis Ababa University, Addis Ababa