title: Letter to the Editor-in-chief.
authors.affiliation: Department of the Executive Board, Leiden University Medical Centre, Leiden, The Netherlands.
authors.forename: Inge F
authors.initials: IF
authors.lastname: Hendriks
authors.affiliation: Department of Anaesthesiology, Leiden University Medical Centre, Leiden, The Netherlands.
authors.forename: James G
authors.initials: JG
authors.lastname: Bovill
mesh_terms: D000846:Anniversaries and Special Events