1. University of Michigan; Ann Arbor MI
2. The University of Texas MD Anderson Cancer Center; Houston TX
3. Wayne State University; Detroit MI
4. UT Health Sciences Center; San Antonio TX
5. University of Wisconsin; Madison WI
6. Washington University; St. Louis MO
7. University of Minnesota; Minneapolis MN
8. Henry Ford Hospital System; Detroit MI
9. Vanderbilt University; Nashville TN
10. Upstate Medical Physics; Victor NY
11. University of Washington; Seattle WA
12. University of Alabama; Birmingham AL
13. Texas Oncology; Round Rock TX
14. University of Pennsylvania; Philadelphia PA USA