Along these lines, the clinical trial that Beth Israel in New York is conducting they are usinga device used for Iontophoresis, the IOMed Phoresor II PM850. It can be obtained with a prescirption from chiropractor or MD for as low as $500.00 and the protocols for the tDCS are available in several journal articles available online - these articles go over electrode placement, milliamperes used, and durations as well as the side effects regarding skin issues where the electrodes are placed.

Mollymcn - I believe that your friend "S" whom you posted about in early 2007 who got some limited relief from it had one at her disposal, maybe it wouldbe a possible help.