. 2020 Jul 16;13:e30. doi: 10.1017/S1754470X2000032X
© British Association for Behavioural and Cognitive Psychotherapies 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.