[1] Kansas City VA Med Ctr, Dept Radiat Oncol, Kansas City, MO 64128 USA
[2] Univ Missouri, Kansas City Sch Med, Dept Radiol, Kansas City, MO 65211 USA
[3] Med Coll Wisconsin, Dept Radiat Oncol, Milwaukee, WI 53226 USA
[4] Clement J Zablocki VA Med Ctr, Dept Radiat Oncol, Milwaukee, WI USA
[5] James A Haley Vet Affairs Healthcare Syst, Dept Radiat Oncol, Tampa, FL USA
[6] Loyola Univ, Strich Sch Med, Dept Radiat Oncol, Chicago, IL USA
[7] Amer Soc Radiat Oncol, Arlington, VA USA
[8] Edward Hines Jr VA Hosp, Dept Radiat Oncol, Chicago, IL USA
[9] Henry Ford Canc Inst, Dept Radiat Oncol, Detroit, MI USA
[10] Mem Sloan Kettering Canc Ctr, Dept Radiat Oncol, New York, NY USA
[11] Cedar Sinai Med Ctr, Dept Radiat Oncol, Los Angeles, CA USA
[12] Univ Texas MD Anderson Canc Ctr, Dept Radiat Oncol, Houston, TX USA
[13] Massachusetts Gen Hosp, Dept Radiat Oncol, Boston, MA USA
[14] Scripps MD Anderson Canc Ctr, Dept Radiat Oncol, San Diego, CA USA
[15] Univ Colorado, Dept Radiat Oncol, Aurora, CO USA
[16] H Lee Moffitt Canc Ctr & Res Inst, Dept Radiat Oncol, Tampa, FL USA
[17] UT Southwestern, Dept Radiat Oncol, Dallas, TX USA
[18] Virginia Commonwealth Univ, Sch Med, Dept Radiat Oncol, Richmond, VA USA
[19] Hunter Holmes McGuire VA Med Ctr, Dept Radiat Oncol, Richmond, VA USA
[20] Univ Michigan, Sch Med, Dept Radiat Oncol, Ann Arbor, MI USA
[21] VA Ann Arbor Healthcare Syst, Dept Radiat Oncol, Ann Arbor, MI USA
[22] VHA Natl Radiat Oncol Program, Richmond, VA USA