[1] Univ Texas, MD Anderson Canc Ctr, Dept Leukemia, Houston, TX 77030 USA
[2] Stanford Univ, Sch Med, Stanford, CA 94305 USA
[3] Arthur James Comprehens Canc Ctr, Columbus, OH USA
[4] Royal Marsden Hosp, Surrey, England
[5] Washington Univ, Barnes Jewish Hosp, St Louis, MO USA
[6] Univ Leicester, MRC, Toxicol Unit, Leicester, Leics, England
[7] Rush Univ, Rush Presbyterian St Lukes Med Ctr, Chicago, IL 60612 USA
[8] Univ London, Canc Res UK, Med Oncol Unit, Barts & London Queen Marys Sch Med, London, England
[9] Pinderfields Gen Hosp, Wakefield, England
[10] Robert H Lurie Comprehens Canc Ctr, Chicago, IL USA
[11] Long Isl Jewish Med Ctr, New Hyde Pk, NY 11042 USA