[1] Tree Life Serv Inc, Concuss Care Ctr Virginia Ltd, 3721 Westerre Pkwy,Suite B, Richmond, VA 23233 USA
[2] Virginia Commonwealth Univ, Dept Phys Med & Rehabil, Richmond, VA USA
[3] Univ Virginia, Dept Phys Med & Rehabil, Charlottesville, VA USA
[4] Int Brain Injury Assoc, Alexandria, VA USA
[5] Univ Virginia, Inst Law Psychiat & Publ Policy, Dept Psychiat & Neurobehav Sci, 1230 Cedars Court,Suite 108, Charlottesville, VA 22903 USA