1 Richard A. and Susan F. Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center, Boston, MA; Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA; Harvard Medical School, Boston, MA.
2 Richard A. and Susan F. Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center, Boston, MA; Division of Pulmonary, Critical Care, and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, MA; Harvard Medical School, Boston, MA.
3 Richard A. and Susan F. Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center, Boston, MA; Harvard Medical School, Boston, MA.
4 Richard A. and Susan F. Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center, Boston, MA.
5 Richard A. and Susan F. Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center, Boston, MA; Harvard Medical School, Boston, MA; Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, Boston, MA. Electronic address: rwadhera@bidmc.harvard.edu.