This is a french multicenter study (Montpellier, Marseille, Saint Etienne), randomized, single blind, two arm, in addition of a treatment already validated (prescription of selective inhibitors of serotonin reuptake inhibitors (SSRIs)). The two arms are : one arm with SSRI + rTMS and an arm with SSRI + sham rTMS (placebo), 30 patients per group will be recruited.