WESTWOOD, CA - NOVEMBER 23: Dr. Bennet Omalu (L) and actor Will Smith attend the screening of Columbia Pictures' 'Concussion' at the Regency Village Theater on November 23, 2015 in Westwood, California.(Photo by Jeffrey Mayer/WireImage)
WESTWOOD, CA - NOVEMBER 23: Dr. Bennet Omalu (L) and actor Will Smith attend the screening of Columbia Pictures' 'Concussion' at the Regency Village Theater on November 23, 2015 in Westwood, California.(Photo by Jeffrey Mayer/WireImage)