1. School of Health and Rehabilitation Sciences, College of Medicine, The Ohio State University, Columbus, United States
2. Department of Kinesiology, University of Georgia, Athens, United States
3. Department of Psychology, The Ohio State University, Columbus, United States
4. School of Kinesiology, Michigan Concussion Center, University of Michigan, Ann Arbor, United States
5. Department of Psychiatry, Indiana University School of Medicine, Indianapolis, United States
6. Departments of Neurosurgery and Neurology, Medical College of Wisconsin, Milwaukee, United States
7. Department of Physical Medicine and Rehabilitation, School of Medicine, Uniformed Services University of the Health Sciences and Walter Reed National Military Medical Center, Bethesda, United States
8. Department of Kinesiology and Applied Physiology, University of Delaware, Newark, United States