title: Response.
authors.affiliation: Gartnavel General Hospital, Glasgow, Scotland. Electronic address: johnmaclay@gmail.com.
authors.forename: John D
authors.initials: JD
authors.lastname: Maclay
authors.affiliation: University of Edinburgh, MRC Centre for Inflammation Research, The Edinburgh University, Edinburgh, Scotland.
authors.forename: William
authors.initials: W
authors.lastname: MacNee
mesh_terms: D002318:Cardiovascular Diseases / Q000209:etiology* / Q000503:physiopathology*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications* / Q000503:physiopathology*