Key references: Subthreshold depressive symptoms

  • Machmutow K, Meister R, Jansen A, Kriston L, Watzke B, Harter MC, et al. Comparative effectiveness of continuation and maintenance treatments for persistent depressive disorder in adults. Cochrane Database Syst Rev 2019;5:CD012855 https://www.ncbi.nlm.nih.gov/pubmed/31106850