. 2016 Feb 1;2(1):50–58. doi: 10.1192/bjpo.bp.115.002139
© 2016 The Royal College of Psychiatrists
This is an open access article distributed under the terms of the Creative Commons Non-Commercial, No Derivatives (CC BY-NC-ND) licence (http://creativecommons.org/licenses/by-nc-nd/4.0/).