1. University of Kansas Medical Center, Kansas City, KS
2. Brigham and Women’s Hospital, Boston, MA
3. University of Minnesota, Minneapolis, MN
4. University of Pittsburgh School of Medicine, Pittsburgh, PA
5. Michigan State University, East Lansing, MI
6. University of Leeds, UNITED KINGDOM
7. George Washington University, Washington, DC
8. Virginia Polytechnic Institute and State University, Blacksburg, VA