1. School of Medicine Keele University Newcastle UK
2. Translational and Clinical Research Institute Newcastle University Newcastle upon Tyne UK
3. Cumbria, Northumberland, Tyne and Wear NHS Trust Newcastle upon Tyne UK
4. McPin Foundation London UK
5. Cumbria, Northumberland, Tyne and Wear NHS Trust, Newcastle University Newcastle upon Tyne UK
6. Regional Affective Disorders Service, Cumbria, Northumberland, Tyne and Wear NHS Trust Newcastle upon Tyne UK
7. Clinical Trials Unit Newcastle University Newcastle upon Tyne UK
8. Department of Psychiatry University of Oxford Oxford UK