1. University Medical Center GroningenGroningen, the Netherlands
2. University of GroningenGroningen, the Netherlands
3. Galway University HospitalsGalway, Ireland
4. West Virginia UniversityMorgantown, West Virginia
5. Walter Reed National Military Medical CenterBethesda, Maryland
6. The National Institute for Health Research Respiratory Biomedical Research UnitLondon, United Kingdom
7. Harefield NHS Foundation TrustLondon, United Kingdom
8. Imperial College LondonLondon, United Kingdom
9. William Osler Health SystemBrampton, Canadaand