DS_10.1177_0363546518804498 – Supplemental material for Video Analysis of Reported Concussion Events in the National Football League During the 2015-2016 and 2016-2017 Seasons

Supplemental material, DS_10.1177_0363546518804498 for Video Analysis of Reported Concussion Events in the National Football League During the 2015-2016 and 2016-2017 Seasons by David J. Lessley, Richard W. Kent, James R. Funk, Christopher P. Sherwood, Joseph M. Cormier, Jeff R. Crandall, Kristy B. Arbogast and Barry S. Myers in The American Journal of Sports Medicine