1. North Yorkshire and York PCT; System House, Clifton Moor Amy Johnson way York UK YO30 4XT
2. University of Bristol; Academic Unit of Psychiatry, Community Based Medicine; Cotham House, Cotham Hill Bristol UK BS6 6JL
3. University of Nottingham; Cochrane Schizophrenia Group; Institute of Mental Health, Sir Colin Campbell Building, University of Nottingham Innovation Park, Triumph Road, Nottingham UK NG7 2TU