1. Laboratory of Neurogenetics National Institute on Aging, National Institutes of Health Bethesda Maryland USA
2. Data Tecnica International Glen Echo Maryland USA
3. German Center for Neurodegenerative Diseases Tubingen Germany
4. Lund University Translational Neurogenetics Unit, Department of Experimental Medical Science Lund Sweden
5. Universidade Federal do Rio Grande do Sul Hospital de Clínicas de Porto Alegre Porto Alegre Brazil
6. Department of Human Genetics McGill University Montreal Quebec Canada
7. Department of Molecular and Clinical Pharmacology Institute of Translational Medicine, University of Liverpool Liverpool UK
8. Fundació Docència i Recerca Mútua Terrassa and Movement Disorders Unit, Department of Neurology University Hospital Mútua Terrassa Barcelona Spain
9. Unidad de Trastornos del Movimiento, Servicio de Neurología y Neurofisiología Clínica, Instituto de Biomedicina de Sevilla Hospital Universitario Virgen del Rocío/CSIC/Universidad de Sevilla Seville Spain
10. Lee Kong Chian School of Medicine Nanyang Technological University Singapore Singapore Singapore
11. Human Genetics Genome Institute of Singapore, A*STAR Singapore Singapore
12. UK Dementia Research Institute, Cardiff University Cardiff UK
13. The Michael J. Fox Foundation for Parkinson's Research, Grand Central Station New York NY USA