1. Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, Indiana.
2. Department of Epidemiology and Biostatistics, School of Public Health, Indiana University, Bloomington, Indiana.
3. Department of Radiology, Medical College of Wisconsin, Milwaukee, Wisconsin.
4. Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
5. Department of Neurosurgery, David Geffen School of Medicine at University of California Los Angeles, Division of Pediatric Neurology, Mattel Children's Hospital–UCLA Los Angeles, California.
6. Division of Sports Medicine, Departments of Family Medicine and Orthopedics, University of California Los Angeles, Los Angeles, California.
7. Matthew Gfeller Sport-Related Traumatic Brain Injury Research Center, Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
8. School of Biomedical Engineering and Sciences, Wake-Forest and Virginia Tech University, Virginia Tech Carilion Research Institute, Roanoke, Virginia.
9. School of Biomedical Engineering and Sciences, Wake-Forest and Virginia Tech University, Blacksburg, Virginia.
10. NeuroTrauma Research Laboratory, School of Kinesiology, University of Michigan, Ann Arbor, Michigan.
11. Department of Psychology, Indiana University School of Medicine, Indianapolis, Indiana.