. 2020 Dec;44(6):277–284. doi: 10.1192/bjb.2020.71
© The Author(s) 2020
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.