1. The University of Texas MD Anderson Cancer Center, Houston, TX
2. Baylor College of Medicine, Houston, TX
3. The University of Texas Health Science Center, Houston, TX
4. The University of Tennessee Health Science Center, Memphis, TN
5. Allegheny Health Network Cancer Institute, Pittsburgh, PA
6. West Cancer Center and Research Institute, Memphis, TN
7. Duke Cancer Institute, Durham, NC
8. University of Michigan, Ann Arbor, MI
9. Memorial Sloan Kettering Cancer Center, New York, NY
10. University of Frankfurt, Frankfurt, Germany
11. German Cancer Research Center, Heidelberg, Germany
12. German Cancer Consortium, Frankfurt, Germany
13. Frankfurt Cancer Institute, Frankfurt, Germany