1. Department of Speech and Language Therapy, National Hospital for Neurology and Neurosurgery, London, United Kingdom of Great Britain and Northern Ireland
2. Department of Physiotherapy, National Hospital for Neurology and Neurosurgery, London, United Kingdom of Great Britain and Northern Ireland
3. Department of Neurology and Rehabilitation, National Hospital for Neurology and Neurosurgery, London, United Kingdom of Great Britain and Northern Ireland