Juul, S., Poulsen, S., Lunn, S., Sørensen, P., Jakobsen, J., & Simonsen, S. (2019). Short-term versus long-term psychotherapy for adult psychiatric disorders: a protocol for a systematic review with meta-analysis and trial sequential analysis. Systematic Reviews, 8(1), 169. https://doi.org/10.1186/s13643-019-1099-0 (Original work published 2019)