[1
]Boston University Alzheimer's Disease and CTE Center, Department of Neurology; Boston
University School of Medicine
[2
]Department of Biostatistics; Boston University School of Public Health
[3
]Arizona College of Osteopathic Medicine; Midwestern University
[4
]Departments of Pathology and Laboratory Medicine; Boston University School of Medicine
[5
]VA Boston Healthcare System, U.S. Department of Veteran Affairs
[6
]Department of Veterans Affairs Medical Center; Bedford MA
[7
]Departments of Psychiatry, Ophthalmology; Boston University School of Medicine
[8
]Departments of Biomedical, Electrical & Computer Engineering; Boston University College
of Engineering
[9
]Department of Neurosurgery; Boston University School of Medicine
[10
]Concussion Legacy Foundation
[11
]Department of Neurosurgery; Emerson Hospital
[12
]Braintree Rehabilitation Hospital; Braintree MA
[13
]Data Coordinating Center, Boston University School of Public Health
[14
]Department of Environmental Health; Boston University School of Public Health
[15
]Department of Orthopaedics; Stanford University
[16
]Department of Anatomy and Neurobiology; Boston University School of Medicine