1. School of Kinesiology, Athletic Training Program, George Mason University, Manassas, VA, USA
2. Sports Medicine Assessment, Research & Testing Laboratory, George Mason University, Manassas, VA, USA
3. Virginia Concussion Intiative, George Mason University, Manassas, VA, USA
4. Department of Kinesiology, Brain Research & Assessment Initiative of New Hampshire, University of New Hampshire, Durham, NH
5. Special Olympics International, Washington, DC
6. Department of Physical Medicine and Rehabilitation, University of California at Davis, Sacramento, CA, US