[1] Loyola Univ, Chicago Stritch Sch Med, Cardinal Bernardin Canc Ctr, Maywood, IL 60153 USA
[2] Fred Hutchinson Canc Res Ctr, Swog Stat Ctr, 1124 Columbia St, Seattle, WA 98104 USA
[3] UC Davis Comprehens Canc Ctr, Sacramento, CA USA
[4] Univ Florida, Roswell Pk Comprehens Canc Ctr, Gainesville, FL USA
[5] Weill Cornell Med, New York, NY USA
[6] Southeast Canc Control Consortium, Canc Care Western North Carolina, Asheville, NC USA
[7] Univ Hawaii, Honolulu, HI 96822 USA
[8] Pacific Canc Res Consortium Ncorp, Swedish Canc Inst, Seattle, WA USA
[9] Univ Minnesota, Dept Med, Canc Ctr, Box 736 UMHC, Minneapolis, MN 55455 USA
[10] Mayo Clin, Dept Oncol, Rochester, MN USA
[11] Univ Wisconsin, Sch Pharm, 425 N Charter St, Madison, WI 53706 USA
[12] Univ Rochester, Med Ctr, Dept Radiat Oncol, Rochester, NY 14642 USA
[13] Ottawa Hosp Canc Ctr, Radiat Oncol, Ottawa, ON, Canada
[14] Hyogo Coll Med, Nishinomiya, Hyogo, Japan
[15] Roswell Pk Comprehens Canc Ctr, Buffalo, NY USA
[16] Harvard Univ, Med Ctr, Massachusetts Gen Hosp, Boston, MA 02115 USA
[17] Columbia Univ, New York, NY USA