[1] Univ Pittsburgh, Kenneth P Dietrich Sch Arts & Sci, Neurosci, Pittsburgh, PA USA
[2] Univ Pittsburgh, Sch Med, Pittsburgh, PA USA
[3] Univ Pittsburgh, Sch Med, Dept Med, Div Gen Internal Med, Pittsburgh, PA USA
[4] Univ Pittsburgh, Sch Med, Dept Psychiat, Pittsburgh, PA USA
[5] PINK Concuss, Norwalk, CT USA
[6] LoveYourBrain Fdn, Norwich, VT USA
[7] Univ Pittsburgh, Med Ctr, Dept Neurol Surg, Pittsburgh, PA USA
[8] Univ Pittsburgh, Grad Sch Publ Hlth, Dept Epidemiol Pittsburgh, Pittsburgh, PA USA