title: Unravelling the many faces of chronic obstructive pulmonary disease: A hitchhiker's guide to COPD.
authors.affiliation: The Woolcock Institute of Medical Research, University of Sydney, Glebe, New South Wales, Australia.
authors.forename: Gregory G
authors.initials: GG
authors.lastname: King
authors.affiliation: University of British Columbia (James Hogg Research Center and Division of Pulmonary Medicine), Providence Health Care, Vancouver, British Columbia, Canada.
authors.forename: Don D
authors.initials: DD
authors.lastname: Sin
keywords: global burden; imaging; physiology; treatment