if ( function_exists( 'coauthors' ) ) :
$coauthors = get_coauthors();
foreach( $coauthors as $coauthor ): ?>
<div class="item largest-12 columns">
<div class="post">
<article>
<div class="row">
<div class="largest-4 columns">
<?php echo get_avatar( $coauthor->user_email, '560' ); ?>
</div>
<div class="largest-8 columns">
<?php
echo '<h3 class="author"><a href="'. get_author_posts_url( $coauthor->ID, $coauthor->user_nicename ) .'">' . $coauthor->display_name . '</a></h3>';
if ( $coauthor->description )
echo '<p>' . esc_html($coauthor->description) .'</p>'; ?>
</div>
</div> <!-- .row -->
</article>
</div> <!-- .post -->
</div>
<?php
endif;