Cortes N, Lincoln AE, Myer GD, Hepburn L, Higgins M, Putukian M. Video Analysis Verification of Head Impact Events Measured by Wearable Sensors. American Journal of Sports Medicine. 2017;45:2379-2387.<br /><br />Kuo C, Wu LC, Loza J, Senif D, Anderson S, Camarillo DB. Comparison of video-based and sensor-based head impact exposure. bioRxiv 235432. 2017. doi: https://doi.org/10.1101/235432