1. Clinical Investigation Center CIC1436 and Department of Clinical Pharmacology and Neurosciences, INSERM; Toulouse University Hospital and University of Toulouse; Toulouse France
2. University of South Florida Ataxia Research Center, The Frances J. Zesiewicz Foundation for Parkinson's Disease at USF, Parkinson's Disease and Movement Disorders Clinic at the PADREC; James A. Haley Veterans' Administration; Tampa FL USA
3. National Parkinson's Foundation International Centre of Excellence; King's College Hospital; Kings College and Kings Health Partners; London UK
4. UCB Pharma; Raleigh NC USA
5. UCB Pharma; Monheim am Rhein; Germany
6. UCB Pharma; Brussels Belgium