1. Department of Clinical and Movement Neurosciences, University College London Institute of Neurology, London, UK (Yoon JH, Lee CY, Schapira AHV)
2. Faculty of Medicine, Imperial College London, London, UK (Yoon JH)
3. Aligning Science Across Parkinson’s (ASAP) Collaborative Research Network, Chevy Chase, MD, USA (Lee CY, Schapira AHV)