/tr>
      <tr>
       <td>
        4
       </td>
       <td>
        banner
       </td>
       <td>
        <code>
         string
        </code>
       </td>
       <td>
        The banner field is used to indicate if there has been additional
information appended to the articles since its publication. Examples of
banners include ('Correction Appended' and 'Editor's Note Appended').
       </td>
       <td>
        optional
       </td>
       <td>
       </td>
      </tr>
      <tr>
       <td>
      