University of California, Santa Barbara (UCSB), Harvard University, Harvard University, University of Pennsylvania - Perelman School of Medicine, The Michael J. Fox Foundation, Harvard University - Massachusetts General Hospital, Harvard University, Harvard University - Massachusetts General Hospital, Johns Hopkins University - School of Medicine, Rush University - Rush University Medical Center, Evergreen Health Care, University of California, San Francisco (UCSF), Virginia Commonwealth University (VCU), University of Colorado Denver, Cleveland Clinic Florida, Northwestern University, Park Nicollet Struthers Parkinson's Center and Harvard University