Affiliations

• ¹ Parkinson's Disease and Movement Disorders Center, Division of Neurology, Department of Medicine, The Ottawa Hospital Research Institute, uOttawa Brain and Mind Research Institute, Ottawa, Canada.
• ² Psychiatry Department, Leiden University Medical Centre, and Centre for Mental Health Care Delfland, Delft, the Netherlands.
• ³ Krembil Research Institute, University Health Network and Institute of Health Policy, Management and Evaluation and Rehabilitation Institute, University of Toronto, Toronto, Canada.
• ⁴ Assistance Publique-Hôpitaux De Paris, National Centre of Reference for Huntington's Disease, Neurology Department, Paris, France.
• ⁵ Université Paris Est, Créteil, France.
• ⁶ INSERM U955 E01, Institut Mondor De Recherché Biomédicale, École Normale Supérieure, Créteil-Paris, France.
• ⁷ Centre For Trials Research, Cardiff University, Wales, UK.
• ⁸ Georgetown University, School of Medicine, Washington, DC, USA.
• ⁹ CHDI Foundation/CHDI management, USA.
• ¹⁰ Department of Neurological Sciences, Rush University Medical Center, Chicago, USA.
• ¹¹ Department of Neurology, Hospital Universitário Hermanos Yagüe, Burgos, Spain.
• ¹² National Center of Epidemiology and CIBERNED, Carlos III Institute of Health, Madrid, Spain.