1. Department of Anatomy and Neurosciences Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Neuroscience Amsterdam The Netherlands
2. Almazov National Medical Research Centre St Petersburg Russia
3. Department of Neurology and Neurosurgery National Institute of Health Yerevan Armenia
4. University of Medicine and Pharmacy Carol Davila Bucharest Romania
5. Department of Neurology Medical Park Bad Feilnbach Bad Feilnbach Germany
6. Paediatric Department General Hospital Celje Celje Slovenia
7. Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences Norwegian University of Science and Technology, Trondheim, Norway; Department of Neurology and Clinical Neurophysiology, St Olavs Hospital Trondheim Norway
8. Reykjavik University Sleep Institute School of Technology, Reykjavik University Reykjavik Iceland
9. Multidisciplinary Sleep Disorders Centre Antwerp University Hospital and University of Antwerp Antwerp Belgium
10. Department of Respiratory Medicine Ghent University Hospital Ghent Belgium
11. Department of Internal Medicine and Paediatrics, Faculty of Medicine and Health Sciences Ghent University Ghent Belgium