title: Authors' reply.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Taniguchi
authors.forename: Motohiro
authors.initials: M
authors.lastname: Kimura
mesh_terms: D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000401:mortality*; D054990:Idiopathic Pulmonary Fibrosis / Q000401:mortality*; D008297:Male; D011651:Pulmonary Artery / Q000503:physiopathology*