1. International Parkinson's Centre of Excellence; King's College and King's College Hospital; Denmark Hill Campus London
2. Queen Elizabeth Hospital; Woolwich; Lewisham & Greenwich NHS Trust; London UK
3. Department of Experimental Medicine; Section of Human Physiology; University of Genoa; Italy
4. Department of Neuroscience (DiNOGMI); University of Genoa; Italy
5. School of Psychology; Bangor University; Bangor Gwynedd UK