1. Faculty of Health Sciences; University of Southampton; Southampton SO17 1BJ UK
2. School of Psychology; University of Southampton; Southampton SO17 1BJ UK
3. Florence Nightingale School of Nursing and Midwifery; Kings College London; London SW1 8WA UK
4. Macmillan Cancer Support; London SE1 7UQ UK
5. School of Health Sciences; University of Surrey; Guildford GU2 7TE UK