Affiliation: | 1. Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts;2. Department of Radiology, Emory University School of Medicine, Atlanta, Georgia;1. Department of Radiology and Biomedical Imaging, University of California, San Francisco, California;2. Department of Public Health Sciences, University of California, Davis, California;3. Office of the Chief Medical Officer, Nemours Children''s Hospital, Orlando, Florida;4. Department of Epidemiology and Biostatistics, University of California, San Francisco, California;5. Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco, California;1. Division of Emergency Medicine, Department of Surgery, Duke University Medical Center, Durham, North Carolina;2. Department of Radiology, Henry Ford Health System, Detroit, Michigan;3. Department of Radiology, Wayne State University School of Medicine, Detroit, Michigan |