1. Boston University Alzheimer's Disease Center and Boston University CTE CenterBoston University School of MedicineBostonMAUSA
2. Department of NeurologyBoston University School of MedicineBostonMAUSA
3. Department of BiostatisticsBoston University School of Public HealthBostonMAUSA
4. Department of Molecular NeuroscienceUCL Institute of NeurologyQueen SquareLondonUK
5. UK Dementia Research Institute at UCLLondonUK
6. Interfaculty Initiative in Health PolicyHarvard UniversityBostonMAUSA
7. Data Coordinating CenterBoston University School of Public HealthBostonMAUSA
8. Department of NeurologyHarvard Medical SchoolBostonMAUSA
9. Departments of Pathology and Laboratory MedicineBoston University School of MedicineBostonMAUSA
10. VA Boston Healthcare SystemU.S. Department of Veteran AffairsJamaica PlainMAUSA
11. Department of Veterans Affairs Medical CenterBedfordMAUSA
12. Concussion Legacy FoundationBostonMAUSA
13. Department of NeurosurgeryBoston University School of MedicineBostonMAUSA
14. Department of NeurosurgeryEmerson HospitalConcordMAUSA
15. Center for Neurodegenerative Disease ResearchDepartment of Pathology and Laboratory MedicineUniversity of Pennsylvania Perelman School of MedicinePhiladelphiaPAUSA
16. Clinical Neurochemistry LaboratorySahlgrenska University HospitalMölndalSweden
17. Department of Psychiatry and NeurochemistryInstitute of Neuroscience and PhysiologySahlgrenska Academy at the University of GothenburgGothenburgSweden
18. Department of Anatomy and NeurobiologyBoston University School of MedicineBostonMAUSA