</span>, <span class="va">spontaneous</span><span class="op">)</span></span></code></pre></div>
<table class="table  lightable-classic" style='font-family: "Arial Narrow", "Source Sans Pro", sans-serif; margin-left: auto; margin-right: auto;'>
<caption>
</caption>
<thead>
<tr>
<th style="empty-cells: hide;" colspan="1">
</th>
<th style="padding-bottom:0; padding-left:3px;padding-right:3px;text-align: center; " colspan="4">
<div style="border-bottom: 1px solid #111111; margin-bottom: -1px; ">
spontaneous
</d