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)

Shevlin, M. ., Hyland, P. ., Roberts, N. ., Bisson, J. ., Brewin, C. ., & Cloitre, M. . A psychometric assessment of Disturbances in Self-Organization symptom indicators for ICD-11 Complex PTSD using the International Trauma Questionnaire. European Journal of Psychotraumatology, 9(1), 1419749. https://doi.org/10.1080/20008198.2017.1419749 (Original work published 2018)

Karatzias, T. ., Cloitre, M. ., Maercker, A. ., Kazlauskas, E. ., Shevlin, M. ., Hyland, P. ., … Brewin, C. . PTSD and Complex PTSD: ICD-11 updates on concept and measurement in the UK, USA, Germany and Lithuania. European Journal of Psychotraumatology, 8(sup7), 1418103. https://doi.org/10.1080/20008198.2017.1418103 (Original work published 2017)

Lewis, K. ., Lewis, C. ., Roberts, A. ., Richards, N. ., Evison, C. ., Pearce, H. ., … Jones, I. . (2022). The effect of the COVID-19 pandemic on mental health in individuals with pre-existing mental illness. BJPsych Open, 8(2), e59. https://doi.org/10.1192/bjo.2022.25 (Original work published 2022)