title: Reply to Dr Ueshima and Dr Murouchi.
authors.affiliation: Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada Department of Anesthesia, McMaster University, Hamilton, Ontario, Canada Department of Anesthesia, Penn State Hershey Medical Center, Hershey, PA.
authors.forename: Ki Jinn
authors.initials: KJ
authors.lastname: Chin
authors.forename: Mauricio
authors.initials: M
authors.lastname: Forero
authors.forename: Sanjib Das
authors.initials: SD
authors.lastname: Adhikary