1. Cochrane Common Mental Disorders Group University of York York UK
2. Department of Population Health Sciences, Bristol Medical School University of Bristol Canynge Hall Bristol BS8 2PS UK
3. Exeter Test Group University of Exeter Medical School St Luke's Campus Exeter UK
4. Department of Clinical, Educational and Health Psychology University College London (UCL) London UK
5. Patient and Public Involvement Team (PenCLAHRC) University of Exeter Medical School St Luke's Campus Exeter UK