1. Department of Neuroscience Neurology Uppsala University Uppsala Sweden
2. Department of Clinical and Experimental Medicine Neurology Medical Faculty University of Linköping Linköping Sweden
3. Science for Life Laboratory Department of Immunology, Genetics and Pathology Uppsala University Uppsala Sweden
4. Department of Neuroscience Ophthalmology Uppsala University Uppsala Sweden
5. Section of Neuroradiology Department of Radiology Uppsala University Uppsala Sweden
6. Department of Medical Sciences, Respiratory, Allergy, and Sleep Research Uppsala University Uppsala Sweden
7. Vitalmed Research Center Helsinki Sleep Clinic Helsinki Finland
8. Department of Clinical Neurosciences University of Helsinki Helsinki Finland
9. Department of Neuroscience Uppsala University Uppsala Sweden