University of California Irvine, Irvine, California, United States
Parkinson's Disease and Movement Disorders Center of Boca Raton, Boca Raton, Florida, United States
Massachusetts General Hospital, Boston, Massachusetts, United States
University of California San Francisco, San Francisco, California, United States
University of California Irvine, Irvine, California, United States
The Ohio State University Medical Center, Columbus, Ohio, United States