1. The Institute of Psychiatry, Psychology & Neuroscience, King's College London; Health Service and Population Research Department; PO31 De Crespigny Park London UK SE5 8AF
2. Northwick Park Hospital; London UK
3. University of Liverpool; School of Medicine; Liverpool UK
4. Staffordshire University; Centre for Health and Development; Stoke-on-Trent UK
5. University of Worcester; Institute of Health and Society; Worcester UK