1. Department of Neurology, Philipps University Marburg, Marburg, Germany
2. Institute for Neurogenomics, Helmholtz Center for Environment and Health, Munich, Germany
3. Kompetenznetz Parkinson e.V., Marburg, Germany
4. Institute of Medical Bioinformatics and Biostatistics, Philipps University Marburg, Marburg, Germany
5. Coordination Center for Clinical Studies, Marburg, Germany
6. Department of Neurology, University des Saarlandes, Homburg, Saar, Germany
7. Novartis Pharma, Nuernberg, Germany
8. Department of Neurology, Center for Health and Technology, University of Rochester Medical Center, Rochester, NY
9. Michael J. Fox Foundation, New York
10. Department of Neurological Sciences, Larner College of Medicine, University of Vermont, Burlington