1 University of Sherbrooke, Sherbrooke, Quebec, Canada, Teaching and Research Unit, Health Sciences, University of Quebec in Abitibi-Temiscamingue, Rouyn-Noranda, Quebec, Canada, joanneguay@bell.net Department of Anesthesiology, Seibo International Catholic Hospital, Tokyo, Japan Department of Anesthesiology, Mayo Clinic College of Medicine, Rochester, Minnesota.