1 Department of Respiratory Medicine, Concord Repatriation General Hospital, Concord, NSW, Australia; Woolcock Emphysema Centre and Airway Physiology and Imaging Group, Woolcock Institute of Medical Research, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia. Electronic address: alice.cottee@sydney.edu.au.
2 Department of Respiratory Medicine, Concord Repatriation General Hospital, Concord, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia.
3 Woolcock Emphysema Centre and Airway Physiology and Imaging Group, Woolcock Institute of Medical Research, NSW, Australia.
4 Woolcock Emphysema Centre and Airway Physiology and Imaging Group, Woolcock Institute of Medical Research, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Department of Respiratory Medicine, Royal North Shore Hospital, NSW, Australia.
5 Department of Respiratory Medicine, Concord Repatriation General Hospital, Concord, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia.
6 Department of Respiratory Medicine, Concord Repatriation General Hospital, Concord, NSW, Australia; Woolcock Emphysema Centre and Airway Physiology and Imaging Group, Woolcock Institute of Medical Research, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Faculty of Medicine and Health Sciences, Macquarie University, North Ryde, NSW, Australia.