1. Boston University Alzheimer’s Disease and CTE Center, Boston University School of Medicine, Boston, MA, USA
2. Department of Neurology, Boston University School of Medicine, Boston, MA, USA
3. Department of Biostatistics, Boston University School of Public Health, Boston, MA, USA
4. Data Coordinating Center, Boston University School of Public Health, Boston, MA, USA
5. Interfaculty Initiative in Health Policy, Harvard University, Cambridge, MA, USA
6. Pediatric Neurology, Boston University School of Medicine, Boston, MA, USA
7. Pediatric Neurology, Boston Medical Center, Boston, MA, USA
8. Concussion Legacy Foundation, Waltham, MA, USA
9. Department of Neurosurgery, Boston University School of Medicine, Boston, MA, USA
10. Department of Anatomy & Neurobiology, Boston University School of Medicine, Boston, MA, USA