[1] Univ Penn, Philadelphia, PA 19104 USA
[2] ECOG ACRIN Biostat Ctr, Dana Farber Canc Inst, Boston, MA USA
[3] Massachusetts Gen Hosp, Canc Ctr, Boston, MA USA
[4] NCI, Div Canc Treatment & Diag, Bethesda, MD USA
[5] NCI, Biometr Res Program, Div Canc Treatment & Diag, Bethesda, MD USA
[6] NCI, Ctr Biomed Informat & Informat Technol, Bethesda, MD USA
[7] Frederick Natl Lab Canc Res, Frederick, MD USA
[8] Yale Univ, New Haven, CT USA
[9] Thomas Jefferson Univ Hosp, Philadelphia, PA USA
[10] Univ Texas MD Anderson Canc Ctr, Houston, TX USA
[11] UT Southwestern Simmons Comprehens Canc Ctr, Dallas, TX USA
[12] ECOG ACRIN Canc Res Grp, Philadelphia, PA USA
[13] City Hope Natl Med Ctr, Duarte, CA USA
[14] NCI, Canc Diag Program, Div Canc Treatment & Diag, Bethesda, MD USA