e <span  title="" class="an ">&ensp;</span>duration <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">PDS</span><span  title="" class="an ">&ensp;</span>s <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">IC</span><span  title="" class="an ">&ensp;</span>nm <span  title="" class="an ">&ensp;</span>as <span  title="" class="an ">&ensp;</span>well <span  title="" class="an ">&ensp;</span>as <span  title="" class="an 