1. Cochrane Common Mental Disorders; University of York; York UK
2. Centre for Reviews and Dissemination; University of York; York UK
3. Lanchester Road Hospital; Tees, Esk and Wear Valleys NHS Foundation Trust; Durham UK
4. Mental Health and Addiction Research Group, Department of Health Sciences; University of York; York UK
5. Population Health Sciences, Bristol Medical School; University of Bristol; Bristol UK
6. Psychiatry, Faculty of Health Sciences; McMaster University; Hamilton Canada
7. School of Psychology; University of Exeter; Exeter UK