1. Department of Neurology; Medical University Innsbruck; Innsbruck Austria
2. Unit of Genetics of Neurodegenerative and Metabolic Diseases; Fondazione IRCCS Istituto Neurologico “Carlo Besta,”; Milan Italy
3. Department of Neurological Sciences; Federico II University; Naples Italy
4. Department of Neurology; University Hospital of Bonn; Bonn Germany
5. German Center of Neurodegenerative Diseases (DZNE); Bonn Germany
6. Department of Neurology; Friedrich-Baur-Institute, University Hospital of Ludwig-Maximilians-University; Munich Germany
7. Department of Neurology and Hertie-Institute for Clinical Brain Research; University of Tübingen; Tübingen Germany
8. Department of ICR Neurology; H. Lundbeck; Copenhagen Denmark