code: def make_article_info_correspondences(self, article_info_div):
          
          corresps = self.article.root.xpath('./front/article-meta/author-notes/corresp')
          if corresps:
              corresp_div = etree.SubElement(article_info_div,
                                             'div',
                                             {'id': 'correspondence'})
          for corresp in corresps:
              sub_div = etree.SubElement(corresp_div,
                                         'div',
                                         {'id': corresp.attrib['id']})
              append_all_below(sub_div, corresp)
docs: Articles generally provide a first contact, typically an email address
          for one of the authors. This will supply that content.