Tosei General Hospital, Aichi, Japan
Matsusaka Civic Hospital, Mie, Japan
Gifu Prefectural Medical Center, Gifu, Japan
Klinik Floridsdorf, Vienna, Austria
University of Chicago Medical Center, Chicago, Illinois, United States
Orlando Health, Orlando, Florida, United States
The Wesley Hospital, Brisbane, Australia
ThoraxKlinik, Heidelberg, Germany
Macquarie University Hospital, Sydney, Australia
Hôpital François Mitterrand, Dijon, France
Hôpital Dupuytren, Limoges, France
Hôpital Cochin, Paris, France
St. Vincent's Private Hospital Fitzroy, Fitzroy, Victoria, Australia
St. Vincent's Hospital Melbourne, Fitzroy, Victoria, Australia
Northwestern Medicine, Winfield, Illinois, United States
University of Alabama at Birmingham, Birmingham, Alabama, United States
University of Chicago, Chicago, Illinois, United States
Ruhrlandklinik Essen - Universitätsmedizin, Essen, Germany
University Hospital of Zurich, Zurich, Switzerland
Royal Brompton Hospital, London, United Kingdom
Ludwig-Boltzmann-Institut für COPD und Pneumologische Epidemiologie, Wien, Austria
Thoraxklinik am Universitäts klinikum Heidelberg, Heidelberg, Germany
Charité Campus Virchow Klinikum (CVK), Berlin, Germany
Hôpital Bichat Claude Bernard, Paris, France
Universiteit Gent, Gent, Belgium
Skane University Hospital, Lund, Sweden
University of Southern California, Los Angeles, California, United States
Cleveland Clinic, Cleveland, Ohio, United States
Temple University Hospital, Philadelphia, Pennsylvania, United States