p;</span>stress <span  title="" class="an ">&ensp;</span>can <span  title="" class="an ">&ensp;</span>arise <span  title="" class="an ">&ensp;</span>from <span  title="" class="an ">&ensp;</span>expression <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>localization <span  title="" class="an ">&ensp;</span>defective <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">CNG</span><span  title="" class="an ">&ensp;</span>channels <span  title="" class=