1. Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
2. Department of Anaesthesia, Aalborg University Hospital, Aalborg, Denmark
3. Department of Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark
4. Department of Lung Medicine, Aalborg University Hospital, Aalborg, Denmark
5. The Clinical Institute, Aalborg University, Aalborg, Denmark
6. Bronchoskopic Diagnostics Department, Mazowieckie Centrum Leczenia Chorób Płuc i Gruźlicy, Otwock, Poland
7. Respiratory Support and Sleep Centre, Royal Papworth Hospital NHS Foundation Trust, Cambridge, UK
8. Medicine, Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden
9. Klinikum Fürth, Department of Cardiology, Fürth, Germany
10. Joseph Epstein Centre for Emergency Medicine Research, Western Health, Sunshine hospital, Melbourne, Australia
11. Department of Medicine, Western Health, Melbourne Medical School, The University of Melbourne, Parkville, Australia
12. Department of Clinical Biochemistry, Aalborg University Hospital, Aalborg, Denmark
13. Department of Anesthesiology and Intensive Care, Aalborg University Hospital North, Aalborg, Denmark
14. Department of Respiratory Medicine, Medway Maritime Hospital, Gillingham, UK
15. Sleep and Respiratory Department, University Hospital Aintree, Liverpool, UK
16. Department of Anaesthesiology and Intensive Care, Hjørring Hospital, Hjørring, Denmark