A Study of Aducanumab in Participants With Mild Cognitive Impairment Due to Alzheimer's Disease or With Mild Alzheimer's Disease Dementia to Evaluate the Safety of Continued Dosing in Participants With Asymptomatic Amyloid-Related Imaging Abnormalities

National Clinical Research Inc.-Richmond, Richmond

Medical Research Health and Education Foundation, Inc, Columbus

Bioclinica Orlando, The Villages

Bioclinica Orlando, Orlando

Brain Matters Research, Delray Beach

JEM Research Institute, Atlantis

Neuropsychiatric Research Center of Southwest Florida, Fort Myers

Neurology Clinic, PC, Cordova

Josephson, Wallack, Munshower Neurology, P.C., Indianapolis

Lynn Health Science Institute, Oklahoma City

Baylor College Of Medicine, Houston

Clinical Trial Network, Houston

Senior Adult Specialty Research, Austin

Banner Alzheimer's Institute, Phoenix

Center for Neurosciences, Tucson

Las Vegas Medical Research, Las Vegas

California Neuroscience Research Medical Group Inc., Sherman Oaks

Pacific Research Network, Inc, San Diego

Neurology Center of North Orange County, Fullerton

Pacific Neuroscience Medical Group, Oxnard

Kingfisher Cooperative, LLC, Spokane

Advanced Memory Research Institute of NJ, PC, Toms River