1. Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
2. IRCCS Institute of the Neurological Sciences, Ospedale Bellaria, AUSL di Bologna, Bologna, Italy
3. Department of Biomedical, Metabolic, and Neural Sciences, University of Modena and Reggio Emilia, NOCSAE Hospital, Modena, Italy
4. Sobell Department of Neuroscience and Movement Disorders, Institute of Neurology, University College London, London, United Kingdom
5. Department of Medicine, Center for Neurodegenerative Diseases (CEMAND), Neuroscience Section, University of Salerno, Italy
6. Department of Neurology, University Hospital Zurich, Zurich, Switzerland
7. Department of Neurology, Reference National Center for Narcolepsy, Sleep Unit, Gui-de-Chauliac Hospital, University of Montpellier 1, INSERM U1061, Montpellier, France
8. St George’s University of London, Cranmer Terrace, London, United Kingdom
9. Hospital Clinic de Barcelona, Neurology Service, Multidisciplinary Sleep Unit, IDIBAPS, CIBERNED, Barcelona, Spain
10. Sleep Medicine Center Kempenhaeghe, Heeze, The Netherlands
11. Eindhoven University of Technology, Eindhoven, The Netherlands
12. Department of Neuroscience, Biomedicine and Movement Science, University of Verona, Verona, Italy