1. City of Hope National Medical Center, Duarte, CA;
2. City of Hope Medical Center, Duarte, CA;
3. Ronald Regan UCLA Medical Center, Los Angeles, CA;
4. Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA;
5. Brigham and Women's Hospital/Harvard Medical School, Boston, MA;
6. City of Hope, Duarte, CA;
7. University of Tennessee Health Science Center, Memphis, TN;
8. Wake Forest University School of Medicine, Winston Salem, NC;
9. State University of New York at Stony Brook, Stony Brook, NY;
10. University of Buffalo, Buffalo, NY;
11. Kaiser Permanente Los Angeles, Hacienda Heights, CA;
12. Stanford Prevention Research Center, Stanford, CA;