By
<%= author_name %>
<% if (typeof(latest_comment_author_name) != "undefined") { %>,<% } %>
<% if (typeof(latest_comment_author_name) != "undefined") { %>
last Reply by
<%= latest_comment_author_name %>
about <%= latest_comment_created_at_time_ago %> ago
<% } else { %>
about <%= created_at_time_ago %> ago
<% } %>