Changes
{| class="wikitable" border="1"
|-valign="top"
! Ph.D. Programs by Number of Relevant Faculty
! Ph.D. Programs by Country
! Ph.D. Programs by State
|-valign="top"
| <categorytree mode=pages>1 Faculty</categorytree>
<categorytree mode=pages>2 Faculty</categorytree>
<categorytree mode=pages>Wisconsin</categorytree>
|-
|}
