[1] Dana Farber Canc Inst, Harvard Radiat Oncol Program, Boston, MA 02115 USA
[2] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[3] Harvard Med Sch, Dept Biostat & Computat Biol, Dana Farber Canc Inst, Boston, MA USA
[4] Harvard Med Sch, Massachusetts Gen Hosp, Brigham & Womens Hosp, Boston, MA USA
[5] Yale Sch Med, New Haven, CT USA
[6] Dana Farber Canc Inst, Dept Radiat Oncol, Boston, MA 02115 USA
[7] Harvard Med Sch, Brigham & Womens Hosp, Dana Farber Canc Inst, Boston, MA USA
[8] Dana Farber Canc Inst, Dept Cardiovasc Med, Boston, MA 02115 USA