1. School of Psychology, University of Southampton, Highfield SO17 1BJ, UK
2. Faculty of Health, Social Care and Medicine, Edge Hill University, St Helens Road, Ormskirk L39 4QP, UK
3. Department of Children’s Oncology, Great North Children’s Hospital, Queen Victoria Road, Newcastle upon Tyne NE1 4LP, UK
4. Royal Marsden Hospital, Downs Road, Sutton SM2 5PT, UK
5. The Louis Dundas Centre, Hospital for Children NHS Foundation Trust, Great Ormond Street, London WC1N 3JH, UK
6. University Hospital Southampton NHS Trust, Tremona Road, Southampton SO16 6YD, UK
7. Naomi House & Jacksplace, Stockbridge Road, Sutton Scotney, Winchester SO21 3JE, UK
8. Acorns Children’s Hospice, 103 Oak Tree Lane, Selly Oak, Birmingham B29 6HZ, UK
9. Birmingham Children’s Hospital, Birmingham, Steelhouse Lane, Birmingham B4 6NH, UK
10. Department of Child Health, Swansea University, Swansea SA2 8PP, UK
11. Helen & Douglas House Hospices, 14A Magdalen Road, Oxford OX4 1RW, UK
12. Oxford University Hospitals NHS Trust, John Radcliffe Hospital, Headley Way, Headington, Oxford OX3 9DU, UK
13. Patient & Public Representative, Oxford OX4 1RW, UK
14. Psychological Medicine, Hospital for Children NHS Foundation Trust, Great Ormond Street, London WC1N 3JH, UK