 title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">HVA</span><span  title="" class="an ">&ensp;</span>current <span  title="" class="an ">&ensp;</span>by <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">HT</span><span  title="" class="an ">&ensp;</span>was <span  title="" class="an ">&ensp;</span>irreversible <span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span>subsequent <span  title="" class="an ">&ensp;</span>applications <span 