Boston University Alzheimer's Disease Center and CTE Center, Boston University School of Medicine, Boston, Massachusetts, USA

U.S. Department of Veteran Affairs, VA Bedford Healthcare System, Bedford, Massachusetts, USA

Department of Neurology, Boston University School of Medicine, Boston, Massachusetts, USA

Department of Pathology and Laboratory Medicine, Boston University School of Medicine, Boston, Massachusetts, USA

U.S. Department of Veteran Affairs, VA Boston Healthcare System, Jamaica Plain, Massachusetts, USA