From Emory University, Atlanta, GA; National Cancer Institute, Bethesda; Cancer Therapy Evaluation Program, National Cancer Institute, Rockville, MD; Cancer Therapy and Research Center at The University of Texas Health Science Center, San Antonio, TX; City of Hope Cancer Center, Duarte, CA; Karmanos Cancer Institute, Detroit, MI; University of Pittsburgh Cancer Institute, Pittsburgh; and Penn State Hershey Cancer Institute, Hershey, PA. (At 2010-10-10)