1. Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Luxembourg.
2. Department of Neurodegenerative Diseases, Center of Neurology and Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.
3. Interfaculty Institute of Biochemistry (IFIB), University of Tübingen, Tübingen, Germany.
4. National Biomedical Computation Resource, University of California San Diego, La Jolla, California.
5. Centre for Genetic Epidemiology, Institute for Clinical Epidemiology and Applied Biometry, University of Tübingen, Tübingen, Germany.
6. Institute of Neurogenetics, University of Lübeck, Lübeck, Germany.
7. Institute of Human Genetics, Helmholtz Zentrum München GmbH, Neuherberg, Germany.
8. Parkinson Research Clinic, Centre Hospitalier de Luxembourg (CHL), Luxembourg, Luxembourg.