<ul class="listInline listInline--comma">
<xf:foreach loop="$users" value="$user">
<xf:trim>
<li><xf:username user="$user" rich="true" /><xf:if is="$user.Profile.birthday.age">({$user.Profile.birthday.age})</xf:if></li>
</xf:trim>
</xf:foreach>
</ul>