1. Department of Psychiatry and Psychotherapy Faculty of Medicine Medical Center ‐ University of Freiburg University of Freiburg Freiburg Germany
2. Department of Human Sciences University of Rome ‘G. Marconi’ – Telematic Rome Italy
3. UMR 5287 Institut de Neurosciences Intégratives et Cognitives d'Aquitaine Neuroimagerie et Cognition Humaine, CNRS Université de Bordeaux Bordeaux France
4. Department of Global Public Health and Primary Care University of Bergen Bergen Norway
5. Department of Clinical Neuroscience Centre for Psychiatry Research Karolinska Institutet, and Stockholm Health Care Services Stockholm County Council Huddinge Hospital Stockholm Sweden
6. Department of Psychology Uppsala University Uppsala Sweden
7. Centre for Sleep Medicine Rome Italy
8. Nuffield Department of Clinical Neuroscience Sleep and Circadian Neuroscience Institute University of Oxford Oxford UK
9. Nordic Sleep Centre Tallinn Estonia
10. Tartu University Hospital Tartu Estonia
11. Department of Neurology Medical University of Innsbruck Innsbruck Austria
12. Institut für Bewusstseins‐ und Traumforschung Wien Austria
13. Finnish Institute of Occupational Health Helsinki Finland
14. Department of Psychology and Logopedics University of Helsinki Finland
15. Division of Psychology Department of Clinical Neuroscience Karolinska Institutet Sweden
16. Medical Psychology and Medical Sociology Faculty of Medicine University of Freiburg Freiburg Germany
17. Department of Psychology “Sapienza” University of Rome Rome Italy
18. University Hospital of Psychiatry and Psychotherapy Bern Switzerland
19. Department of Neuroscience University of Pisa Pisa Italy
20. Sleep Medicine Centre Kempenhaeghe Heeze The Netherlands
21. Department of Psychiatry Upenn Behavioral Sleep Medicine Program University of Pennsylvania Philadelphia PA USA
22. Stanford University School of Medicine Stanford CA USA
23. Department of Psychology University of Bielefeld Bielefeld Germany
24. Sleep Medicine Centre and Third Department of Psychiatry Institute of Psychiatry and Neurology Warsaw Poland