. 2018 Jul 3;18(3):237–250. doi: 10.1002/capr.12174
The Authors. Counselling and Psychotherapy Research published by John Wiley & Sons Ltd on behalf of British Association for Counselling and Psychotherapy
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Data search and screening overview (PRISMA).