title: In reply.
authors.affiliation: Department of Cardiovascular Sciences, Katholieke Universiteit Leuven and Department of Anaesthesiology, University Hospitals Gasthuisberg, Leuven, Belgium. Electronic address: marc.vandevelde@uz.kuleuven.ac.be.
authors.forename: M
authors.initials: M
authors.lastname: Van de Velde
authors.affiliation: Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University, CA, USA.
authors.forename: B
authors.initials: B
authors.lastname: Carvalho