Dear Marty, I do have quit some experience in STN, since I continue to follow 50 STN patients since mid-1997 and almost every week I have a new patient lined up for surgery. Off course they are carefully screened and all patients are very motivated to undergo the surgery. Just before, during and after the surgery the patient is supported by one of the members of the Belgian Parkinson support group, which is of great help to the patient, but also to the surgeon and the neurologist, because we can focus more on the technical site of the procedure. So far we have great results and I hope to present the data at the upcoming Parkinson meeting in Barcelona next year. Best regards, Chris van der Linden, M.D.