Before starting the rTMS procedures and after 10 and 15 sessions all patients will be assessed by a blinded assessor with the following psychometric scale: Y-BOCS, HAM-D, HAM-A, CGI-S and the CGI-I. During the washput phase each patient will be re-assessed at week 2 and 4 with the Y-BOCS, HAM-D, HAM-A, CGI-S and the CGI-I.