1. Institute of Psychiatry, Psychology & Neuroscience at King’s College London, Department of Basic & Clinical Neuroscience, De Crespigny Park, London, United Kingdom
2. Parkinson Foundation International Centre of Excellence, King’s College Hospital, Denmark Hill, London, United Kingdom
3. Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Centre, Nijmegen, The Netherlands
4. University of Lund, Faculty of Medicine, Lund, Sweden
5. University Hospital Reinkenheide, Bremerhaven, Germany