Karatzias, T., Shevlin, M., Hyland, P., Brewin, C., Cloitre, M., Bradley, A., … Roberts, N. (2018). The role of negative cognitions, emotion regulation strategies, and attachment style in complex post-traumatic stress disorder: Implications for new and existing therapies. The British Journal of Clinical Psychology. https://doi.org/10.1111/bjc.12172 (Original work published 2018)