Search Strategy and Study Selection
We searched MEDLINE, Embase, Cochrane Central Register of Controlled Trials (CENTRAL), and Psyc-INFO (main search June 2011, last update December 2013; see the Supplemental Appendix for the complete MEDLINE search strategy). We searched trial registries for unpublished and ongoing studies. In addition, we screened references from identified trials and published systematic reviews focusing on studies on depression treatments performed in primary care or community settings14–16,20,21 for additional trials.