1. Department of Medicine, University of California, San Diego, La Jolla, California.
2. National Institute of Health Research Biomedical Research Unit in Respiratory Disease, Southampton, United Kingdom.
3. Department of Medical Physics and Bioengineering, University Hospital Southampton NHS Foundation Trust, Southampton, United Kingdom.
4. Medical R&D, Air Liquide Santé International, Centre de Recherche Paris-Saclay, Jouy-en-Josas, France.
5. Department of Mechanical Engineering, Lafayette College, Easton, Pennsylvania.
6. Department of Mechanical Engineering, University of Alberta, Edmonton, Alberta, Canada.
7. Applied Research Associates, Inc., Raleigh, North Carolina.
8. Airway Disease Section, National Heart and Lung Institute, Imperial College London and Royal Brompton Hospital, London, United Kingdom.
9. Department of Anesthesia (Bioengineering), MGH/Harvard, Boston, Massachusetts.
10. Comprehensive Pneumology Center (CPC), Member of the German Center for Lung Research, Munich, Germany.
11. Institute of Lung Biology and Disease, Helmholtz Zentrum München—German Research Center for Environmental Health, Neuherberg, Germany.