Berenson-Allen Center for Noninvasive Brain Stimulation (CNBS)
Optimizing and applying noninvasive brain stimulation to health care and research

From Reuters: "Phase II results show that transcranial direct current stimulation (tDCS) provides significant pain relief that can last for several weeks in patients with fibromyalgia. The technique has rare and minimal adverse effects, results of the study, conducted at the University of Sao Paulo, Brazil, show."

Articles related to the study can be found here and here (requires free registration).