^*Department of Anesthesiology and Pain Management, University Health Network Mount Sinai Hospital Toronto, Ontario, Canada

^†Department of Anesthesiology Stanford University School of Medicine Stanford, California

Reprints: Dr Alison Macarthur, Department of Anesthesia, Room 1514, Mount Sinai Hospital, Toronto, Ontario, Canada, M5G 1X5, E-mail: Alison.Macarthur@uhn.on.ca