[1] Univ Washington, Sch Med, Seattle, WA USA
[2] SW Oncol Grp, Ctr Stat, Seattle, WA USA
[3] Springfield Clin, Canc & Hematol Ctr, Springfield, MO USA
[4] Univ Arkansas, Med Ctr, Little Rock, AK USA
[5] Univ Calif Davis, Ctr Canc, Sacramento, CA 95817 USA
[6] Wayne State Univ, Karmanos Canc Inst, Detroit, MI USA
[7] Loyola Univ, Med Ctr, Chicago, IL 60611 USA
[8] Univ British Columbia, Vancouver, BC V5Z 1M9, Canada
[9] Upstate Carolina CCOP, Spartanburg, SC USA