title: The authors reply.
authors.affiliation: Department of Medical Microbiology and Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands Department of Intensive Care, University Medical Center Utrecht, Utrecht, The Netherlands.
authors.forename: Mirjam J D
authors.initials: MJ
authors.lastname: Dautzenberg
authors.forename: Marc J M
authors.initials: MJ
authors.lastname: Bonten
authors.forename: Lennie P G
authors.initials: LP
authors.lastname: Derde
mesh_terms: D001426:Bacterial Proteins / Q000302:isolation & purification*; D003428:Cross Infection / Q000401:mortality*; D004755:Enterobacteriaceae / Q000302:isolation & purification*; D004756:Enterobacteriaceae Infections / Q000401:mortality*; D005260:Female; D006801:Humans; D007362:Intensive Care Units / Q000706:statistics & numerical data*; D008297:Male; D001618:beta-Lactamases / Q000302:isolation & purification*
chemical_list: D001426:Bacterial Proteins; D001618:beta-Lactamases