Wilcox, B. J., Machan, J. T., Beckwith, J. G., Greenwald, R. M., Burmeister, E., Crisco, J. J. Julkaisussa Journal of Athletic Training (2015)
Smith, A. M., Stuart, M. J., Greenwald, R. M., Benson, B. W., Dodick, D. W., Emery, C. A., Finnoff, J. T., Mihalik, J. P., Roberts, W. O., Sullivan, C. A., Meeuwisse, W. H. Julkaisussa Clinical Journal of Sport Medicine (2011)