. 2018 Dec 9;139(2):194–205. doi: 10.1111/acps.12987
© 2018 The Authors. Acta Psychiatrica Scandinavica Published by John Wiley & Sons Ltd.
This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Figure 1.
Group‐level mean item scores over the course of 9 years.