1. National Reference Center for Narcolepsy, Sleep and Wake Unit, Department of Neurology, Gui-de-Chauliac Hospital, Montpellier University Hospital, Montpellier, France
2. INSERM U1061, Montpellier University, Montpellier, France
3. Multidisciplinary Sleep Disorders Center, Antwerp University Hospital and University of Antwerp, Antwerp, Belgium
4. University of Antwerp, Antwerp, Belgium
5. Helsinki Sleep Clinic, Vitalmed Research Center, Helsinki, Finland
6. Department of Clinical Neurosciences, University of Helsinki, Helsinki, Finland
7. Sleep and Vigilance Laboratory, Department of Internal Medicine, University of Göteborg, Sahlgrenska University Hospital, University of Göteborg, Göteborg, Sweden
8. Sleep Research Center, Department of Pulmonary Diseases and Clinical Allergology, University of Turku, Turku, Finland
9. Department of Pulmonary Diseases, Turku University Hospital, Turku, Finland
10. Pulmonology Unit, Department of Internal Medicine, Alexandrovska Hospital Medical University, Sofia, Bulgaria
11. Department of Internal Diseases, Sveti Ivan Rilski Multiprofile Hospital for Active Treatment, Kozloduy, Bulgaria
12. Bioprojet, 30 rue Francs Bourgois, Paris, France
13. Hypoxia-Physiopathology (HP2) Laboratory, INSERM U1042, University Grenoble Alpes, Grenoble, France; and
14. Cardio-Respiratory Functional Exploration Laboratory (EFCR), Grenoble Alpes University Hospital, Grenoble, France