1 University of Calgary, Medicine, Calgary, Alberta, Canada; [email protected].
2 University of Chicago, Section of Pulmonary and Critical Care, Dept. of Medicine, Chicago, Illinois, United States.
3 University of Munich, Department of Internal Medicine V, Munich, Germany.
4 Louis Pradel University Hospital, Respiratory Medicine, Lyon, France.
5 St Vincent's Hospital, Respiratory and Sleep Medicine, Sydney, New South Wales, Australia.
6 Loyola University Chicago Stritch School of Medicine, Medicine, Maywood, Illinois, United States.
7 The University of British Columbia Department of Medicine, Vancouver, British Columbia, Canada.
8 The University of British Columbia Centre for Heart Lung Innovation, Vancouver, British Columbia, Canada.
9 Imperial College London, National Heart & Lung Institute, London, United Kingdom of Great Britain and Northern Ireland.
10 NIHR Nottingham Biomedical Research Centre, Respiratory Research Unit, Nottingham, Nottinghamshire, United Kingdom of Great Britain and Northern Ireland.
11 University of Nottingham School of Medicine, Division of Respiratory Medicine, Nottingham, United Kingdom of Great Britain and Northern Ireland.
12 University of Virginia, Medicine, Charlottesville, Virginia, United States.
13 Charlottesville, Virginia, United States.
14 The University of Chicago, Department of Medicine, Chicago, Illinois, United States.
15 Yale University School of Medicine, New Haven, Connecticut, United States.
16 Universita Cattolica del Sacro Cuore Sede di Roma, Pulmonary Medicine, Roma, Lazio, Italy.
17 Vanderbilt University Medical Center, Nashville, Tennessee, United States.
18 Imperial College London, National Heart and Lung Institute, London, United Kingdom of Great Britain and Northern Ireland.
19 Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia.