[1] Harvard Med Sch, Dana Farber Canc Inst, Brigham & Womens Hosp, Dept Radiat Oncol, Boston, MA USA
[2] Brigham & Womens Hosp, Boston, MA USA
[3] Brigham & Womens Hosp, Dept Radiat Oncol, Dana Farber Canc Inst, Boston, MA USA
[4] Dana Farber Brigham Canc Ctr, Dept Radiat Oncol, Boston, MA USA
[5] Dana Farber Canc Inst, Dept Radiat Oncol, Boston, MA USA
[6] Dana Farber Canc Inst, Boston, MA USA
[7] Brigham & Womens Hosp, Dept Radiat Oncol, Boston, MA USA
[8] Harvard Med Sch, Dana Farber Canc Inst, Boston, MA USA