title: Reply to Roady.
authors.affiliation: 1University of Western Sydney,School of Science and Health.
authors.forename: Greg S
authors.initials: GS
authors.lastname: Whiteley
authors.affiliation: 1University of Western Sydney,School of Science and Health.
authors.forename: Chris
authors.initials: C
authors.lastname: Derry
authors.affiliation: 2Whiteley Corporation.
authors.forename: Trevor
authors.initials: T
authors.lastname: Glasbey
authors.affiliation: 4University of Western Sydney.
authors.forename: Paul
authors.initials: P
authors.lastname: Fahey
mesh_terms: D000255:Adenosine Triphosphate; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D008163:Luminescent Measurements; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification*; D013212:Staphylococcus epidermidis / Q000302:isolation & purification*
chemical_list: D000255:Adenosine Triphosphate