Baseline demographic data and information on pain levels (using the Numerical Rating Scale), patient satisfaction (using the Patient Satisfaction Questionnaire), functional health status (using the SF-8), and concomitant medical care (including medication use) will be collected prior to treatment. Follow-up data on pain levels and concomitant medical care will be collected via telephone 24 hours, 1 week, 2 weeks, and 4 weeks post-therapy. Patient satisfaction and functional health status data will be collecetd again at 4 weeks post-treatment. Relapses of pain will be noted and appropriately evaluated. In addition, the following clinical data will be collected: