vol. 41 no. 1 33-36
- Received September 30, 2015.
- Revision received February 2, 2016.
- Accepted February 24, 2016.
- Published online 1 February 2017.
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© 2017 The Authors This is an open-access article published by the Royal College of Psychiatrists and distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.