1. Cancer Clinical Trials Unit, University College London Hospitals NHS Foundation Trust, London NW1 2PG, UK
2. Department of Psychology, Anglia Ruskin University, Cambridge CB1 1PT, UK
3. Department of Psychology, Edge Hill University, Ormskirk L39 4QP, UK
4. Patient Representative, University College London Hospitals NHS Foundation Trust, London NW1 2PG, UK
5. Sarcoma Unit, The Royal National Orthopaedic Hospital, Stanmore HA7 4LP, UK
6. Paediatric Directorate, University College London Hospitals NHS Foundation Trust, London NW1 2PG, UK
7. Iqvia, Ltd., Reading RG1 3JH, UK
8. Nursing Directorate, Imperial College Healthcare NHS Foundation Trust, London W2 1NY, UK
9. Centre for Nurse, Midwife and Allied Health Profession Research (CNMAR), University College London Hospitals NHS Foundation Trust, London NW1 2PG, UK