1. Institute of Neurology, UCL, London,
2. Department of Palliative Care, Policy and Rehabilitation School of Medicine at Guy's, King's College and St Thomas' Hospitals King's College London, UK
3. Rehabilitation Teaching and Research Unit, University of Otago (Wellington), Wellington South, New Zealand
4. School of Health Professions, Faculty of Health and Social Work, University of Plymouth, Peninsula Allied Health Centre, Plymouth, UK