A US Study That Observes How Parkinson's Disease Changes Over Time in Patients Who Still Have Movement Symptoms Despite Taking Parkinson's Medications

Banner Alzheimer's Institute (BAI)-Phoenix, Phoenix, Arizona, United States

University of Arizona Banner Alzheimer's Institute (BAI)-Tucson, Tucson, Arizona, United States

The Parkinson's & Movement Disorder Institute, Fountain Valley, California, United States

Keck School of Medicine, Los Angeles, California, United States

Baptist Health Miami Neuroscience Institute, Miami, Florida, United States

AdventHealth Neuroscience Institute, Orlando, Florida, United States

University of South Florida, Tampa, Florida, United States

Morehouse Healthcare, Atlanta, Georgia, United States

Medical College of Georgia at Augusta University, Augusta, Georgia, United States

Northwestern Memorial HealthCare at Central DuPage Hospital, Winfield, Illinois, United States

MedStar Montgomery Medical Center, Olney, Maryland, United States

Boston Medical Center, Boston, Massachusetts, United States

University of Michigan, Ann Arbor, Michigan, United States

Rutgers - Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States

Northwell Health, New York, New York, United States

Stony Brook University, Stony Brook, New York, United States

University of Buffalo, Williamsville, New York, United States

Cleveland Clinic, Cleveland, Ohio, United States

Thomas Jefferson University, Philadelphia, Pennsylvania, United States

Baylor College of Medicine, Houston, Texas, United States

University of Texas Health Science Center at Houston, Houston, Texas, United States

Intermountain Health, Murray, Utah, United States

University of Vermont, Burlington, Vermont, United States

University of Virginia, Charlottesville, Virginia, United States

Sentara Neurology Specialists, Norfolk, Virginia, United States

VA Puget Sound Health Care System, Seattle, Washington, United States