an><span  title="CAP" class="an CAP">SP</span><span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">NKA</span><span  title="" class="an ">&ensp;</span>and <span  title="" class="an ">&ensp;</span><span  title="CAP" class="an CAP">CGRP</span><span  title="" class="an ">&ensp;</span>are <span  title="" class="an ">&ensp;</span>capable <span  title="" class="an ">&ensp;</span>of <span  title="" class="an ">&ensp;</span>modulating <span  title=""