1. Department of Health Sciences, University of Leicester, 22-28 Princess Road West, Leicester LE1 6TP, UK,
2. Division of Clinical Psychology, University of Liverpool, The Whelan Building, Quadrangle, Brownlow Hill, Liverpool L69 3GB, UK
3. Paediatric Oncology, Children's Hospital, Leicester Royal Infirmary, Leicester LE1 5WW, UK