1. Department of Neurology and Center of clinical Neuroscience; First Faculty of Medicine; Charles University and General University Hospital; Prague Czech Republic
2. Department of Neurology; Innsbruck Medical University; Innsbruck Austria
3. Department of Psychiatry and Psychotherapy; University Medical Center; Regensburg Germany
4. Hephata-Klinik; Schwalmstadt-Treysa Germany
5. Sleep and Epilepsy Unit-Clinical Neurophysiology Department; Gregorio Marañón University Hospital; Madrid Spain
6. Department of Neurology; Leiden University Medical Center; Leiden The Netherlands
7. Sleep Disorders Center; Università Vita-Salute San Raffaele; Milan Italy
8. Department of Neurological Sciences; IRCSS Istituto di Scienze Neurologiche; University of Bologna; Bologna Italy
9. Reference Center for Narcolepsy; Hôpital Gui-de-Chauliac; INSERM U1061; Montpellier France
10. Danish Center for Sleep Medicine; Glostrup Hospital and Center of Healthy Aging; University of Copenhagen; Glostrup Denmark
11. Department of Neurology; Inselspital; Bern University Hospital; University of Bern; Bern Switzerland
12. Department of Clinical Neurophysiology; Institute of Psychiatry and Neurology; Warsaw Poland
13. Sleep Disorders Unit; University Hospital La Ribera; Alzira Spain
14. Max Planck Institute of Psychiatry; Munich Germany
15. Reference Center for Narcolepsy; Pitié-Salpêtrière Hospital; Paris France
16. Sleep and Respiratory Medicine; Royal Infirmary Edinburgh; University of Edinburgh; Edinburgh UK
17. Department of Neurology; Faculty of Medicine; P.J. Šafárik University; Košice Slovakia
18. Department of Neurology; Faculty Hospital; Ostrava Czech Republic