[1] Our Lady Mercy Med Ctr, Bronx, NY 10466 USA
[2] NCI, Med Oncol Branch, Ctr Canc Res, Bethesda, MD 20892 USA
[3] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[4] Univ Wisconsin, Carbone Comprehens Canc Ctr, Madison, WI 53706 USA
[5] Univ Chicago, Chicago, IL 60637 USA
[6] Pfizer Global Res & Dev, San Diego, CA USA
[7] Cleveland Clin, Taussig Canc Inst, Dept Solid Tumor Oncol, Cleveland, OH 44106 USA