1. Institute of Neurogenetics University of Lübeck Lübeck Germany
2. The Edmond J. Safra Program in Parkinson's Disease and The Morton and Gloria Shulman Movement Disorder Clinic, Toronto Western Hospital University of Toronto Toronto Canada
3. Ken and Ruth Davee Department of Neurology Northwestern University Feinberg School of Medicine Chicago Illinois USA
4. UMCG Expertise Centre Movement Disorders, Department of Neurology, University Medical Center Groningen University of Groningen Groningen the Netherlands
5. Department of Neurology, Boston Children's Hospital Harvard Medical School Boston Massachusetts USA
6. The Manton Center for Orphan Disease Research, Boston Children's Hospital Boston Massachusetts USA
7. Department of Neurology Charité University Hospital Berlin Berlin Germany
8. Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology University College London London UK
9. Molecular Medicine Laboratory and Department of Neurology, Concord Repatriation General Hospital, Faculty of Medicine and Health University of Sydney Sydney New South Wales Australia
10. Kinghorn Centre for Clinical Genomics Garvan Institute of Medical Research Darlinghurst New South Wales Australia
11. Movement Disorders Section, Neuroscience Department Raul Carrea Institute for Neurological Research (FLENI) Buenos Aires Argentina
12. Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Center of Expertise for Parkinson and Movement Disorders Radboud University Medical Center Nijmegen the Netherlands
13. Department of Clinical & Movement Neurosciences UCL Queen Square Institute of Neurology University College London, London UK