1. Faculty of Health and Education, Manchester Metropolitan University, Manchester, UK
2. Geoffrey Jefferson Brain Research Centre, The Manchester Academic Health Science Centre, Northern Care Alliance & University of Manchester, Manchester, UK
3. School for Health and Social Wellbeing, University of the West of England, Bristol, UK
4. Centre for Biostatistics, The Manchester Academic Health Science Centre, Northern Care Alliance & University of Manchester, Manchester, UK
5. Dorothy House Hospice Care, Bradford-on-Avon, UK