title: Correspondence on the paper by Krauss-Etschmann S, Bush A, Bellusci S, et al.
authors.affiliation: Department of Respiratory Diseases, University Hospital, Hôpital Arnaud de Villeneuve, , Montpellier, France.
authors.forename: J
authors.initials: J
authors.lastname: Bousquet
authors.forename: J M
authors.initials: JM
authors.lastname: Anto
authors.forename: J
authors.initials: J
authors.lastname: Heinrich
authors.forename: T
authors.initials: T
authors.lastname: Keil
authors.forename: D S
authors.initials: DS
authors.lastname: Postma
authors.forename: J
authors.initials: J
authors.lastname: Sunyer
mesh_terms: D000818:Animals; D006801:Humans; D008171:Lung Diseases / Q000503:physiopathology*
keywords: COPD epidemiology