[1] Univ Calif Los Angeles, Dept Radiat Oncol, Los Angeles, CA USA
[2] Fox Chase Canc Ctr, Dept Radiat Oncol, Philadelphia, PA USA
[3] Schiffler Canc Ctr, Wheeling, WV USA
[4] Johns Hopkins Univ, Sch Med, Sidney Kimmel Comprehens Canc, Dept Med Oncol, Baltimore, MD USA
[5] Mayo Clin, Rochester, MN USA
[6] Beaumont Hlth, Dept Radiat Oncol, Royal Oak, MI USA
[7] Norwegian Radium Hosp, Oslo, Norway
[8] Icahn Sch Med Mt Sinai, Dept Radiat Oncol, New York, NY USA
[9] Univ Calif Los Angeles, Los Angeles, CA USA
[10] Cleveland Clin, Taussig Canc Ctr, Dept Radiat Oncol, Cleveland, OH USA
[11] Chicago Prostate Canc Ctr, Westmont, IL USA
[12] Univ Utah, Huntsman Canc Inst, Salt Lake City, UT USA
[13] CUN, Navarra, Spain
[14] Univ Hlth Network, Princess Margaret Canc Ctr, Toronto, ON, Canada
[15] Univ M, New York, NY USA
[16] Univ Michigan, Dept Radiat Oncol, Ann Arbor, MI USA
[17] Univ Calif Los Angeles, Dept Med, Los Angeles, CA USA