Response

Affiliations

• ¹ Department of Medicine, Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA; Harvard Medical School, Boston, MA. Electronic address: jrubin5@mgh.harvard.edu.
• ² Department of Medicine, Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA; Harvard Medical School, Boston, MA.
• ³ Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA; Harvard Medical School, Boston, MA.