Survey developed by:
Dr Katarzyna Śmiłowska – Silesian Center of Neurology, Katowice, Poland
Dr Daniel J. van Wamelen – Institute of Psychiatry, Psychology & Neuroscience, Department of Basic & Clinical Neuroscience, King’s College London, London, United Kingdom
Parkinson’s Foundation Centre of Excellence at King’s College Hospital NHS Foundation Trust, London, United Kingdom
Supervisors:
Prof Kailash P. Bhatia – Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
Prof K. Ray Chaudhuri – Institute of Psychiatry, Psychology & Neuroscience, Department of Basic & Clinical Neuroscience, King’s College London, London, United Kingdom
Parkinson’s Foundation Centre of Excellence at King’s College Hospital NHS Foundation Trust, London, United Kingdom