1. Karmanos Cancer InstituteDetroit Michigan
2. The University of Texas MD Anderson Cancer CenterHouston Texas
3. SWOG Statistical CenterSeattle Washington
4. University of California at DavisSacramento California
5. City of HopeDuarte California
6. H. Lee Moffitt Cancer CenterTampa Florida
7. Michigan Cancer Research ConsortiumCommunity Clinical Oncology ProgramAnn Arbor Michigan