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, UK
3. Centre for Health and Social Care, Sheffield Hallam University, Sheffield, UK
4. Department of Psychology, Leeds Beckett University, Leeds, UK
5. Barnsley Assistive Technology Team, Barnsley Hospitals NHS Foundation Trust, Barnsley, UK
6. School of Health and Related Research, University of Sheffield, Sheffield, UK