Parkinson Disease Dementia

• The First Affiliated Hospital of University of Science and Technology of China — Hefei, Anhui, China
• Tianjin Medical University General Hospital — Tianjin, Tian, China
• The Affiliated Hospital of Qingdao University — Qingdao, Shandong, China

• Virginia Commonwealth University — Richmond, Virginia, United States

• Domino's Farms — Ann Arbor, Michigan, United States

• University of Pennsylvania — Philadelphia, Pennsylvania, United States

Not specified

• Mayo Clinic Rochester — Rochester, Minnesota, United States

• Rush University Medical Center — Chicago, Illinois, United States

• University of Rochester Medical Center for Health + Technology — Rochester, New York, United States

• Remote study offered by the University of Oregon — Eugene, Oregon, United States

• Washington University School of Medicine Program in Physical Therapy — St Louis, Missouri, United States