^*Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts

^†Department of Anesthesiology and Perioperative Medicine, University of Massachusetts Medical School, Worcester, Massachusetts

^‡Department of Anesthesiology, University of Illinois at Chicago, Chicago, Illinois

The authors declare that they have nothing to disclose.

Address Correspondence to: Aalok V. Agarwala, MD, MBA, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, 55 Fruit Street, GRJ 428, Boston, MA 02114. E-mail: [email protected]