1. Department of Adult Speech and Language Therapy, Gloucestershire Health and Care NHS Foundation Trust, Gloucestershire, UK
2. Department of Nursing, Manchester Metropolitan University, Manchester, Greater Manchester, UK
3. Department of Psychology, Leeds Beckett University, Leeds, West Yorkshire, UK
4. Barnsley Assistive Technology Team, Barnsley Hospitals NHS Foundation Trust, Barnsley, South Yorkshire, UK
5. School of Health and Related Research, University of Sheffield, Sheffield, UK
6. Faculty of Education, Manchester Metropolitan University, Manchester, Greater Manchester, UK