Yesterday I met with a PWP from Ohio, a wonderful man called Paul Linden. He is an Aikido master and also teaches people how to deal with stress and trauma. He doesn't particularly work with PWP but i promised that I would spread his word. Here's a youtube video of him...
https://www.youtube.com/watch?v=orv25iIbvy8
This is his website which has a free e-book you can dowload. He does not make any claims to heal PD, but I believe he has the skills to make it much more bearable, and to reduce stress which as we all know is a huge trigger for making symptoms worse.
http://www.being-in-movement.com/
Trixiedee