1Division of Pulmonary/Critical Care, Department of Medicine, Massachusetts General Hospital, Boston, MA.

2Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA.

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The statistical analysis was paid for by an internal hospital grant.

Dr. Myers received funding from Massachusetts General Hospital (an internal grant to pay for the statistical analysis). Dr. Currier received support for article research from Massachusetts General Hospital Clinical Innovation Award. Dr. Camargo’s institution received funding from Agency for Healthcare Research and Quality (AHRQ) R01 grant and an internal grant (Division of Pulmonary & Critical Care Medicine), and he received support for article research from AHRQ. Dr. Faridi disclosed that he does not have any potential conflicts of interest.

For information regarding this article, E-mail: Laura Myers, lcmyers@partners.org