Wonder whether it's possible for them to crowdsource this via web instead of the phone lines, which would make it easier for more people to participate.
That is given the poor tools we have to date to diagnose the disease. I think the really promising thing about this development is the possibility of earlier warning and being able to test new treatments before the disease progress's so far that someone is going in to ask the doctor what is wrong.
My father has Parkinson's, it is an awful disease.