1. Pulmonary and Critical Care Medicine (F.N.R., J.K.M., I.D.L.B., S.M.H., S.M., S.Y.A., C.E.C., G.R.W.), Brigham and Women’s Hospital, Harvard Medical School, Boston, MA.
2. Applied Chest Imaging Laboratory, Department of Radiology (R.S.J.E., P.N., G.V.S.F.), Brigham and Women’s Hospital, Harvard Medical School, Boston, MA.
3. Division of Cardiovascular Medicine (S.Z.G., G.P.), Brigham and Women’s Hospital, Harvard Medical School, Boston, MA.