title: Response to the letter of Trovato et al.
authors.affiliation: Department of Intensive Care Medicine, Department of Anesthesiology, VU University Medical Center, Amsterdam, the Netherlands.
authors.forename: H R W
authors.initials: HR
authors.lastname: Touw
authors.forename: P R
authors.initials: PR
authors.lastname: Tuinman
authors.forename: H P M M
authors.initials: HP
authors.lastname: Gelissen
authors.forename: E
authors.initials: E
authors.lastname: Lust
authors.forename: P W G
authors.initials: PW
authors.lastname: Elbers