1. Pulmonary and Critical Care (F.N.R., R.R., T.B., S.Y.A., I.d.l.B., A.A.D., G.R.W.), Brigham and Women’s Hospital, Boston, MA.
2. Department of Anesthesia, Critical Care and Pain Medicine (T.W.), Massachusetts General Hospital and Harvard University, Boston.
3. Department of Medicine (Pulmonary and Critical Care Unit) (P.K., R.C., R.S.H.), Massachusetts General Hospital and Harvard University, Boston.
4. Applied Chest Imaging Laboratory, Department of Radiology (P.N., B.F., J.C.R., R.S.J.E.), Brigham and Women’s Hospital, Boston, MA.