1. Department of Exercise Science, University of South Carolina, Columbia
2. Department of Exercise and Sport Science and Injury Prevention Research Center, University of North Carolina at Chapel Hill
3. Datalys Center for Sports Injury Research and Prevention, Inc, Indianapolis, IN
4. Matthew Gfeller Sport-Related Traumatic Brain Injury Research Center, University of North Carolina at Chapel Hill
5. School of Health and Rehabilitation Sciences, The Ohio State University, Columbus
6. Lebanon Valley College, Annville, PA