1. School of Nursing, University of Auckland, Auckland, New Zealand
2. School of Nursing and Midwifery, University of Sheffield, Sheffield, UK
3. School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK
4. Department of Sociological Studies, University of Sheffield, Sheffield, UK
5. Directorate of Professional Services, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, UK
6. Department of Oncology, University of Sheffield, Sheffield, UK
7. School of Medicine, University of Leeds, Leeds, UK
8. School of Nursing, Midwifery and Physiotherapy, University of Nottingham, Nottingham, UK
9. No affiliation (retired) – medical statistician