title: Reply to Burnham and Vazquez Guillamet.
authors.affiliation: Critical Care Medicine Department, National Institutes of Health Clinical Center, Bethesda, Maryland, USA.
authors.forename: Sameer S
authors.initials: SS
authors.lastname: Kadri
authors.affiliation: Critical Care Medicine Department, National Institutes of Health Clinical Center, Bethesda, Maryland, USA.
authors.forename: Naomi P
authors.initials: NP
authors.lastname: O'Grady
mesh_terms: D003141:Communicable Diseases; D003422:Critical Care; D006801:Humans; D010820:Physicians; D012456:Salaries and Fringe Benefits; D011795:Surveys and Questionnaires