1. Clinical Ageing Research Unit, Newcastle University, Newcastle upon Tyne NE4 5PL, UK
2. St Benedict’s Hospice for Specialist Palliative Care, St. Benedict’s Way, Sunderland SR2 0NY, UK
3. Department of Nursing, Midwifery & Health, Northumbria University, Coach Lane Campus West, Room B128, Newcastle upon Tyne NE7 7XA, UK