1. From the Department of Diagnostic Imaging, Alpert Medical School of Brown University, 593 Eddy St, 3rd Floor, Providence, RI 02903 (M.H.B., G.L.B., A.P.L.); Department of Behavioral and Social Sciences, Brown University School of Public Health, Providence, RI (M.H.B.); Lifespan Hospital System, Providence, RI (G.L.B.); and Department of Diagnostic Imaging, Rhode Island Hospital, Providence, RI (A.P.L.).