1. Tissue Viability Team, Cambridge University Hospitals NHS Foundation Trust (CUH), Cambridge Biomedical Campus, Hills Road, Cambridge, UK
2. University of Hertfordshire, School of Health and Social Work, Department of Nursing, Health and Wellbeing, College Lane, Hatfield, Hertfordshire, UK
3. Department of Medicine for the Elderly, Addenbrooke's Hospital, Cambridge, UK
4. Senior Research Associate in Geriatric Medicine, Department of Medicine, University of Cambridge, Cambridge, UK
5. Honorary Senior Lecturer, Imperial College London and University of Cambridge, UK