ns <span  title="" class="an ">&ensp;</span>were <span  title="" class="an ">&ensp;</span>auxotonically <span  title="" class="an ">&ensp;</span>recorded <span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>their <span  title="" class="an ">&ensp;</span>amplitude <span  title="" class="an ">&ensp;</span>was <span  title="" class="an ">&ensp;</span>analyzed <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">NC</span><span  title="" class="an ">&ensp;</