**6. Availability and usefulness of ambulatory techniques that can be practiced at home**

All noninvasive procedures can be safely practiced at home. Their only drawback is low effectiveness, but they induce no harm in those in whom no beneficial results are obtained. Further studies are necessary. The AEs are minor and completely reversible once the device is no longer used. The biggest problem may arise from the economical point of view, as health providers could choose not to pay for treatments that show moderate response.
