[1] Ottawa Hosp, Ctr Canc, Ottawa, ON, Canada
[2] Ottawa Hosp, Res Inst, Ottawa, ON, Canada
[3] Princess Margaret Hosp, Univ Hlth Network, Toronto, ON M4X 1K9, Canada
[4] NCIC Clin Trials Grp, Kingston, ON, Canada
[5] Med Oncol Hematol Consultants PA, Newark, DE USA
[6] Univ Calif Davis, Sacramento, CA 95817 USA
[7] Naval Med Ctr, Portsmouth, VA USA
[8] Mayo Clin, Rochester, MN USA
[9] Univ Maryland, Marlene & Stewart Greenebaum Canc Ctr, Baltimore, MD 21201 USA
[10] Univ Toronto, Princess Margaret Hosp, Toronto, ON, Canada