p>Else If AGE is populated convert from units specified in AGEU to days.</p></li>
<li><p>Else If AGETXT is populated convert the mid-point of the range from
units specified in AGEU to days.<br>
These AGEU units are handled with the described conversion from value to
number of days:</p><ul><li><p>DAYS</p></li>
<li><p>WEEKS   : value * 7</p></li>
<li><p>MONTHS  : value * 365/12</p></li>
<li><p>YEARS   : value * 365</p></li>
</ul></li>
</ol><p>If input parameter <code>inclUncertain=TRUE</code>, uncert