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.