1. From the Departments of Medicine (J.J.S.) and Radiology (D.A.L.), National Jewish Health, 1400 Jackson St, Denver, CO 80205; Division of Pulmonary, Sleep and Critical Care Medicine, Department of Medicine (B.H., R.C.), and Department of Radiology (J.P.K.), NYU Langone Health, NYU Grossman School of Medicine, New York, NY.