1. Department of Neurology, Odense University Hospital, Sdr. Boulevard 29, Odense 5000, Denmark
2. Institute of Clinical Research, University of Southern Denmark, Odense, Denmark
3. Department of Neurology, University of Pecs, Pecs, Hungary
4. Department of Pulmonary Rehabilitation and Sleep Medicine, Torokbalint Chest Hospital, Torokbalint, Hungary
5. Institute of Physical Education and Sport Science, University of Pecs, Pecs, Hungary