Does changes in mismatch negativity after tinnitus retraining therapy using tinnitus pitch as deviant stimulus, reflect subjective improvement in tinnitus handicap?

Citation:
MS El-Minawi, A. O. Dabbous, M. M. Hamdy, and S. M. Sheta, "Does changes in mismatch negativity after tinnitus retraining therapy using tinnitus pitch as deviant stimulus, reflect subjective improvement in tinnitus handicap?", Hearing, Balance and Communication, vol. 16, issue 3, pp. 182-196, 2018.