vol. 41 no. 2 103-108
- Received October 29, 2015.
- Revision received June 6, 2016.
- Accepted June 24, 2016.
- Published online 3 April 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.