[1] Thomas Jefferson Univ, Sidney Kimmel Canc Ctr, Dept Med Oncol, Div Reg Canc Care, Philadelphia, PA 19107 USA
[2] Thomas Jefferson Univ, Dept Med Oncol, Div Populat Sci, Philadelphia, PA 19107 USA
[3] Thomas Jefferson Univ, Dept Pharmacol & Expt Therapeut, Div Biostat, Philadelphia, PA 19107 USA
[4] Abington Hosp Jefferson Hlth, Dept Med Oncol, Abington, PA USA
[5] Thomas Jefferson Univ, Sidney Kimmel Canc Ctr, Dept Med Oncol, Philadelphia, PA 19107 USA
[6] ECOG ACRIN Med Res Fdn, Philadelphia, PA USA
[7] IBM North America, New York, NY USA