From Divisions of Cardiology (S.H., B.A.H., E.T., A.C.B., P.S.R., D.A.K., R.J.T.), Pulmonary and Critical Care (S.C.M., R.L.D., T.M.K., P.M.H.), and Rheumatology (L.K.H., A.A.S., Z.M., F.M.W.), Department of Medicine, Johns Hopkins Medical Institutions, Baltimore, MD; and Departments of Radiology (C.P.C.-V., S.L.Z.) and Biomedical Engineering (D.A.K.), Johns Hopkins Medical Institutions, Baltimore, MD. (At 2016-06-14)
