This validation data is from: Hardy, W.N., Mason, M.J., Foster, C.D., Kopacz, J.M., Yang, K.H., King, A.I., Bishop, J., Bey, M., Anderst, W. and Tashman, S., 2007. A study of the response of the human cadaver head to impact. Stapp car crash journal, 51, p.17.