title: COPD, smoking behaviour, and the importance of teachers as role-models for adolescents.
authors.affiliation: Pulmonary Environmental Epidemiology Unit, Institute of Clinical Physiology (IFC), National Research Council, Pisa, Italy. saramaio@ifc.cnr.it.
authors.forename: Sara
authors.initials: S
authors.lastname: Maio
authors.forename: Sandra
authors.initials: S
authors.lastname: Baldacci
authors.forename: Giovanni
authors.initials: G
authors.lastname: Viegi