1. Methods Support Unit; Cochrane; London UK
2. Berkshire Healthcare NHS Foundation Trust; Bracknell UK
3. Methods and Evidence Synthesis Department; Cochrane; London UK
4. Newcastle University; Newcastle UK
5. Department of Psychiatry; West London Mental Health NHS Trust; London UK
6. Department of Health Sciences; University of York; York UK
7. Centre for Reviews and Dissemination; University of York; York UK