<h4>{{ site.data.messages.locales[site.locale].written_by }}</h4>

{% assign authorCount = page.authors | size %}
{% if authorCount == 0 %}
  {% include page-author.html author=site.owner %}
{% else %}
  {% for _author in page.authors %}
    {% assign author = site.data.authors[_author] %}
    {% include page-author.html author=author %}
  {% endfor %}
{% endif %}
