[1] NCI, Mol Pharmacol Lab, CCR, NIH, Bethesda, MD 20892 USA
[2] NCI, Dev Therapeut Program, DCTD, NIH, Bethesda, MD 20892 USA
[3] SRA Int, Fairfax, VA USA
[4] Mayo Clin, Div Biomed Stat & Informat, Rochester, MN USA
[5] HiThru Analyt LLC, Laurel, MD USA