NRG1 and depressive symptom measurement: Moreover, several of the top association signals that did not achieve genome-wide significance were in genes of biological interest, most notably NRG1, which merits further investigation into their potential role in depression and antidepressant response.' should read ‘A meta-analysis that included the ISPC, PGRN-AMPS and STAR*D data revealed several association signals that did not achieve genome-wide significance but were in genes of biological interest, most notably NRG1, which merits further investigation into their potential role in depression and antidepressant response.'