_attribute" alt="" coords="649,869,779,952">
<area shape="rect" id="node5" href="cohort_definition.html" title="cohort_definition" alt="" coords="403,893,537,976">
<area shape="rect" id="node9" href="concept_ancestor.html" title="concept_ancestor" alt="" coords="399,549,541,632">
<area shape="rect" id="node10" href="concept_relationship.html" title="concept_relationship" alt="" coords="633,969,795,1052">
<area shape="rect" id="node11" href="relationship.html" title="relationship" alt="" coords="404,1045,536