[1] Fox Chase Canc Ctr, Dept Radiat Oncol, 7701 Burholme Ave, Philadelphia, PA 19111 USA
[2] Univ S Florida, H Lee Moffitt Canc Ctr, Dept Radiat Oncol, Tampa, FL 33682 USA
[3] Univ Florida, Dept Radiat Oncol, Gainseville, FL USA
[4] Helen F Graham Canc Ctr, Dept Radiat Oncol, Newark, DE USA
[5] Cleveland Clin, Dept Radiat Oncol, Cleveland, OH 44106 USA
[6] Duke Univ, Sch Med, Dept Radiat Oncol, Durham, NC USA
[7] Emory Univ, Dept Radiat Oncol, Atlanta, GA 30322 USA
[8] Wayne State Univ, Sch Med, Henry Ford Hosp, Dept Radiat Oncol, Detroit, MI USA
[9] Univ Utah, Huntsman Canc Hosp, Dept Radiat Oncol, Salt Lake City, UT USA
[10] Univ Miami, Jackson Mem Hosp, Dept Radiat Oncol, Miami, FL 33136 USA
[11] Med Coll Wisconsin, Dept Radiat Oncol, Milwaukee, WI 53226 USA
[12] Columbia Univ Coll Phys & Surg, New York Presbyterian Hosp, Dept Radiat Oncol, 630 W 168th St, New York, NY 10032 USA
[13] Univ Michigan, Dept Radiat Oncol, Ann Arbor, MI 48109 USA
[14] Univ Calif Irvine, Dept Radiat Oncol, Irvine, CA USA
[15] Univ Calif Los Angeles, Jonsson Comprehens Canc Ctr, Dept Radiat Oncol, Los Angeles, CA 90024 USA
[16] Univ Louisville, Sch Med, James Graham Brown Canc Ctr, Dept Radiat Oncol, Louisville, KY 40292 USA
[17] Univ Wisconsin, Dept Radiat Oncol, Madison, WI USA
[18] Univ Pittsburgh, Med Ctr, Dept Radiat Oncol, Pittsburgh, PA USA
[19] Univ N Carolina, Dept Radiat Oncol, Chapel Hill, NC USA
[20] Icahn Sch Med Mt Sinai, Dept Radiat Oncol, New York, NY 10029 USA
[21] Rutgers Canc Inst New Jersey, Dept Radiat Oncol, New Brunswick, NJ USA
[22] Montefiore Med Ctr, Dept Radiat Oncol, 111 E 210th St, Bronx, NY 10467 USA