Affiliation: | 1. Center of Neurology, East Tallinn Central Hospital, Tallinn, Estonia;2. Department of Neurodegeneration, Center of Neurology, Hertie Institute of Clinical Brain Research and German Center of Neurodegenerative Diseases, University of Tübingen, Tübingen, Germany;3. Statistics Estonia, Tallinn, Estonia;4. Department of Neurology and Neurosurgery, University of Tartu, Tartu, Estonia |