[1] Harvard Radiat Oncol Program, Boston, MA USA
[2] Broad Inst MIT & Harvard, Cambridge, MA 02142 USA
[3] Harvard Med Sch, Dana Farber Canc Inst, Dept Biostat & Computat Biol, Boston, MA 02115 USA
[4] Harvard Med Sch, Dana Farber Canc Inst, Dept Med Oncol, Boston, MA 02115 USA
[5] Univ Tennessee, Ctr Hlth Sci, Dept Surg, Memphis, TN 38163 USA
[6] Brigham & Womens Hosp, 75 Francis St, Boston, MA 02115 USA
[7] Dana Farber Canc Inst, Boston, MA 02115 USA
[8] Univ Texas MD Anderson Canc Ctr, Dept Gastrointestinal Med Oncol, Houston, TX 77030 USA
[9] Northwestern Univ, Div Hematol & Oncol, Chicago, IL 60611 USA
[10] Oregon Hlth & Sci Univ, Dept Radiat Oncol, Portland, OR 97201 USA
[11] Mayo Clin, Dept Radiat Oncol, Rochester, MN USA
[12] Juravinski Canc Ctr, Div Radiat Oncol, Hamilton, ON, Canada
[13] Mt Sinai Med Ctr, Dept Hematol Oncol, Miami Beach, FL 33140 USA
[14] NRG Oncol Stat & Data Management Ctr ACR, Philadelphia, PA USA
[15] Thomas Jefferson Univ, Sidney Kimmel Med Coll & Canc Ctr, Dept Radiat Oncol, Philadelphia, PA 19107 USA
[16] Dana Farber Canc Inst, Dept Radiat Oncol, Boston, MA 02115 USA
[17] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA 02115 USA