def display_article_authors(article, with_info=false)
      authors = article.authors.map{|author| author.gplus_profile.blank? ? author.name : link_to(author.name, author.gplus_profile)}.to_sentence(two_words_connector: " & ", last_word_connector: " & ").html_safe
      if with_info
        authors += (" — " + article.authors.map{|author| content_tag(:span, "#{author.description}", class: 'author_description') }.join(" — ")).html_safe
      end
      authors
    end
def display_article_authors(article, with_info=false)
      authors = article.authors.map{|author| author.gplus_profile.blank? ? author.name : link_to(author.name, author.gplus_profile)}.to_sentence(two_words_connector: " & ", last_word_connector: " & ").html_safe
      if with_info
        authors += (" — " + article.authors.map{|author| content_tag(:span, "#{author.description}", class: 'author_description') }.join(" — ")).html_safe
      end
      authors
    end
Returns HTML with all authors of an article