title: Invited Editorial on "Measurement of intraindividual airway tone heterogeneity and its importance in asthma": How does an airway and subsequently the lung become hyperresponsive?
authors.affiliation: Boston University, Boston, Massachusetts klutch@bu.edu.
authors.forename: Kenneth R
authors.initials: KR
authors.lastname: Lutchen
mesh_terms: D001249:Asthma; D006801:Humans; D008168:Lung