What was needed was for someone to gather and review all the research done on HDT for PD so far, collect all the anecdotes of what has and hasn’t worked for individuals with PD, and to resurrect as much of Dr C.'s knowledge, experiences and wisdom as possible. Then to pull it together and come up with a working plan or a guidebook for other people with PD to follow in order to try to optimize HDT the potential benefits of for themselves.