foo.xml

...
<front>
  ...
  <article-meta>
    ...
    <funding-group>
      <award-group>
        <funding-source rid="01">CNPq</funding-source>
        <award-id rid="02">16362 2010/2011</award-id>
      </award-group>
    </funding-group>
    ...    
  </article-meta>
  ...
</front>
...
<back>
  <ack>
    <title>ACKNOWLEDGEMENTS</title>
    <p>The authors acknowledge the support of <funding-source id="01">CNPq</funding-source>-PIBIC for Scientific Initiation scholarship (Process number <award-id id="02">16362 2010/2011</award-id>) granted to carry out this research.</p>
  </ack>
</back>
...