1. Department of Neurology, Centre of Expertise for Parkinson and Movement Disorders, Donders Institute for Brain, Cognition and Behaviour Radboud University Medical Centre Nijmegen The Netherlands
2. Scientific Centre for Quality of Healthcare, Radboud Institute for Health Sciences Radboud University Medical Centre Nijmegen The Netherlands
3. Scientific Centre for Quality of Healthcare, Centre of Expertise for Parkinson and Movement Disorders, Radboud Institute for Health Sciences Radboud University Medical Centre Nijmegen The Netherlands
4. Department of Biomedical Data Sciences, Medical Decision Making Leiden University Medical Centre Leiden The Netherlands