title: From the authors: International European Respiratory Society/American Thoracic Society guidelines on severe asthma.
authors.affiliation: Imperial College, National Heart and Lung Institute, London, UK f.chung@imperial.ac.uk.
authors.forename: Kian Fan
authors.initials: KF
authors.lastname: Chung
authors.affiliation: Dept of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
authors.forename: Sally
authors.initials: S
authors.lastname: Wenzel
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000628:therapy*; D006801:Humans; D015272:Pulmonary Medicine / Q000592:standards*