Before revision:  Data was analyzed from 3262 head impacts from head model simulations, on-field data from American footballand mixed martial arts (MMA) using our instrumented mouthguard , and publicly available car crash data.
After revision:  Data was analyzed from 3,262 head impacts from head model simulations, on-field data from American footballand mixed martial arts (MMA) using our instrumented mouthguard , and publicly available car crash data.