[1] NIA, Bethesda, MD 20892 USA
[2] NCI, Bethesda, MD 20892 USA
[3] Univ Utah, Salt Lake City, UT USA
[4] Kaiser Fdn Res Inst, Oakland, CA USA
[5] Wake Forest Univ, Bowman Gray Sch Med, Winston Salem, NC USA
[6] Vet Affairs Med Ctr, Edward Hines Jr Hosp, Hines, IL USA
[7] Walter Reed Army Med Ctr, Washington, DC 20307 USA
[8] SUNY Buffalo, Sch Med & Biomed Sci, Buffalo, NY 14260 USA
[9] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[10] Univ Pittsburgh, Pittsburgh, PA USA
[11] Westat Corp, Rockville, MD USA