mr. roberts: i have some experience with this. will be happy to share it with you, for whatever it's worth. among other people in our field whom you might want to consult for advice, carole cassidy (parkinson's institute, sunnyvale ca) would be very high on my list. if i haven't gotten back to you by mid-week (i'm travelling the first part of it), please bark at me and i will get back to you. good luck. robin elliott, exec dir, parkinsons disease foundation (fone: 1-800-457-6676)