1. VA Portland Health Care System Research Service Portland Oregon USA
2. Oregon Health & Science University Neurology, Portland Oregon USA
3. Behavioral Neuroscience Oregon Health & Science University Portland Oregon USA
4. Department of Pulmonary and Critical Care Medicine Oregon Health & Science University Portland Oregon USA
5. Oregon Institute of Occupational Health Sciences Oregon Health & Science University Portland Oregon USA
6. Neurology VA Portland Health Care System Portland Oregon USA
7. Montreal Neurological Institute McGill University Montreal Québec Canada
8. Psychology Université du Québec à Montréal Montreal Québec Canada
9. Hôpital du Sacré‐Coeur de Montréal Center for Advanced Research in Sleep Medicine Montreal Québec Canada
10. Mayo Clinic, Neurology and Medicine Rochester Minnesota USA
11. Neurology Emory University Atlanta Georgia USA
12. Neurology, Sleep Disorders Center University of California Los Angeles Los Angeles California USA
13. Neurology University of Minnesota Medical Center Minneapolis Minnesota USA
14. Hennepin County Medical Center, Minnesota Regional Sleep Disorders Center Minneapolis Minnesota USA
15. Washington University School of Medicine St. Louis Missouri USA
16. Movement Disorders Unit, Division of Sleep Medicine Massachusetts General Hospital Boston Massachusetts USA
17. Harvard Medical School Neurological Clinical Research Institute Boston Massachusetts USA
18. Psychiatry and Behavioral Sciences Stanford University Redwood City California USA
19. Neurology & Neurological Sciences Stanford University Palo Alto California USA
20. Neurology Banner Sun Health Research Institute Phoenix Arizona USA