1. From the Department of Radiology (N.P., P.C., P.Y.P., M.O.H., K.K., J.N., T.K., D.S., N.R., C.K., T.S.), Department of Internal Medicine, Division of Infectious Diseases (P.B.), and Department of Public Health Sciences (E.L.P.), Henry Ford Health System, 2799 W Grand Blvd, Detroit, MI 48202.