1. Pain, Palliative and Supportive Care Review Group; Cochrane; Oxford UK
2. School of Nursing and Midwifery; Queen's University Belfast; Belfast UK
3. Cochrane MOSS Network; c/o Cochrane Pain Palliative and Supportive Care Group; Oxford UK
4. University Hospitals Bristol and Weston NHS Foundation Trust; Bristol UK
5. Faculty of Health & Applied Sciences; University of the West of England; Bristol UK