1. Division of Language and Communication Science, School of Health Sciences, City, University of London, London, UK
2. Community Neurological Rehabilitation Service, Central London Community Healthcare Trust, Soho Centre for Health & Care, London, UK
3. Department of Communication Sciences and Disorders, Montclair State University, Montclair, NJ, USA
4. Wolfson Neurorehabilitation Services, St George’s University Hospitals Foundation NHS Trust, London, UK
5. Therapy and Rehabilitation Services , National Hospital for Neurology and Neurosurgery, London, UK
6. School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
7. School of Allied Health Science and Practice, Adelaide University, Adelaide, SA, Australia
8. Sussex Community NHS Foundation Trust, Brighton General Hospital, Elm Grove, Brighton, UK