^*Department of Anesthesiology and Perioperative Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California

^†Department of Anesthesia and Critical Care Medicine, Memorial Sloan Kettering Cancer Center, New York, New York

^‡Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, Massachusetts

E.M. receives author royalties from UpToDate. L.T. is funded by the NIH/NCI Cancer Center Support Grant P30 CA 0087478. The remaining 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, Gray Jackson 446, 55 Fruit St., Boston, MA 02114. E-mail: [email protected]