Stimulation parameters rTMS will be administered on a daily basis 5 days per week for all subjects: Left: 10Hz, 110% RMT, 40 Trains, 5 second duration, 25 second inter-train interval (i.e., 2000 pulses) Right: 1 Hz, 110% RMT, 1 Train of 1200 pulses Sham: Sham patients will be successively randomized to sham stimulation on either the left or right at the same stimulation parameters but using a sham coil.