title: Authors' reply to Riddell and colleagues.
authors.affiliation: Grampian Interstitial Lung Disease Clinic, Aberdeen Royal Infirmary, Aberdeen AB25 2ZN, UK.
authors.forename: Owen J
authors.initials: OJ
authors.lastname: Dempsey
authors.forename: David
authors.initials: D
authors.lastname: Miller
mesh_terms: D000368:Aged; D003657:Decision Making; D006801:Humans; D054990:Idiopathic Pulmonary Fibrosis / Q000601:surgery*; D016040:Lung Transplantation; D017410:Practice Guidelines as Topic; D012955:Societies, Medical; D006113:United Kingdom