Achieving a list of authors in CraftCMS/Twig

gistfile1.txt

Output:

Blog Entries with Authors
First Article
by F. Scott Fitzgerald - Ancestral, and James Michener - Dell Pocket Books

Second Article
by John Fowles - Oxford University, 이오령 - 이회여자대학교, and 김덕종 - KAIST Materials Science

Third Article and Counting
by Walter Fontana - Harvard Medical School

Code:

{% macro affiliate (author) %}
  {%- if author.affiliation -%}
     {{- " - " ~ author.affiliation -}}
  {%- endif -%}
{% endmacro %}
{% import _self as macros %}
<h2>Blog Entries with Authors</h2>

{%- for article in craft.entries.section('blog').order('postDate asc').find() -%}
  {{- "\n" -}}{{ article.title -}}{{- "\n<p>by " -}}
  {% for author in article.authors %}
    {%- if loop.length == 1 -%}
      {{- author.anAuthor -}}
      {{- macros.affiliate(author) -}}{{- "</p>" -}}
    {%- elseif loop.length > 1 and loop.last -%}
      {{- "and " ~ author.anAuthor -}}
      {{ macros.affiliate(author) }}{{- "</p>" -}}
    {%- else -%} {# within list #}
      {{- author.anAuthor -}}
      {{- macros.affiliate(author) -}}{{- ", " -}}
    {%- endif -%}
  {% endfor %}
  {%- if not loop.last -%}
    {{- "<br />" -}}
  {%- endif -%}
{% endfor %}