title: Authors’ reply.
authors.forename: Jacob R
authors.initials: JR
authors.lastname: Bledsoe
authors.forename: David C
authors.initials: DC
authors.lastname: Christiani
authors.forename: Richard L
authors.initials: RL
authors.lastname: Kradin
mesh_terms: D001195:Asbestosis / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D011658:Pulmonary Fibrosis / Q000000981:diagnostic imaging*; D012907:Smoking / Q000009:adverse effects*; D014057:Tomography, X-Ray Computed