1. Department of Anesthesiology, Leiden University Medical Centre, Leiden, The Netherlands.
2. Department of Internal Medicine, University Hospital, Heidelberg, Germany.
3. Oxford University Clinical Research Unit, Patan Hospital, Kathmandu, Nepal.
4. Department of Anesthesiology and Intensive Care Medicine, Essen University Hospital, University Duisburg-Essen, Duisburg, Germany.
5. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Altitude Research Center, University of Colorado, Aurora, Colorado, USA.
6. Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine. University of Washington, Seattle, Washington, USA.
7. INSERM U1272, Hypoxie et Poumon, Université Sorbonne Paris Nord, Bobigny, France.
8. Department of Emergency Medicine, Stanford University Medical Center, Stanford, California, USA.
9. Institute of Sport Sciences (ISSUL), University of Lausanne, Switzerland.