- Correspondence to Professor John T O'Brien, Department of Psychiatry, University of Cambridge, Cambridgeshire and Peterborough NHS Foundation Trust, Box 189, Level E4 Cambridge Biomedical Campus, Cambridge, CB2 0SP, UK;
- Received July 22, 2013
- Revised April 9, 2014
- Accepted April 23, 2014
- First published May 23, 2014.
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