ign='right'>10</td>
 <td class='detail' align='center'></td>
 <td class='detail' align='center'></td>
 <td class='detail'></td>
 <td class='detail'></td>
 <td class='detail'> </td>
 <td class='comment detail'>Unique row identifier.</td>
</tr>
<tr class='odd'>
 <td class='detail'>subject_id</td>
 <td class='detail'>int4</td>
 <td class='detail' align='right'>10</td>
 <td class='detail' align='center'></td>
 <td class='detail' align='center'></td>
 <td class='detail'></td>
 <td class='detail'></td>
 <td class