1. Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
2. Neurosurgery/Neurology, Medical College of Wisconsin, Milwaukee, WI, USA
3. Datalys Center for Sports Injury Research and Prevention, Indianapolis, IN, USA
4. Brain Injury Center, Boston Children’s Hospital, Boston, MA, USA
5. Psychological and Neurobehavioral Associates, Inc, State College, PA, USA
6. Psychology, University of Missouri Kansas City, Kansas City, MO, USA