1. Parkinson Unit, Institute for Research, Hospitalization and Health Care (IRCCS) San Camillo Rehabilitation Hospital; Venice Italy
2. Laboratory of Robotics and Kinematics, Neurorehabilitation Department, Institute for Research, Hospitalization and Health Care (IRCCS) San Camillo Hospital Foundation; Venice Italy
3. Centre for Human and Aerospace Physiological Sciences, Pain Section, Neuroimaging, Institute of Psychiatry, Kings College London; London United Kingdom
4. Department of Neuroscience; The University of Sheffield; Sheffield United Kingdom
5. Neuroscience Research and Development, Denmark Hill Campus, King's College Hospital, King's College London; London United Kingdom