title: The authors reply.
authors.affiliation: Department of Anesthesiology and Intensive Care Medicine, Campus Charité Mitte and Campus Virchow-Klinikum, Charité-Universitaetsmedizin Berlin, Berlin, Germany.
authors.forename: Alawi
authors.initials: A
authors.lastname: Luetz
authors.forename: Claudia
authors.initials: C
authors.lastname: Spies
mesh_terms: D002648:Child; D016638:Critical Illness; D003693:Delirium; D006801:Humans