[1] British Columbia Canc Agcy, Vancouver, BC V5Z 4E6, Canada
[2] Juravinski Canc Ctr, Hamilton, ON, Canada
[3] CHUM Hotel Dieu, Montreal, PQ, Canada
[4] Cross Canc Inst, Edmonton, AB T6G 1Z2, Canada
[5] McGill Univ, Montreal, PQ, Canada
[6] AstraZeneca, Macclesfield, Cheshire, England
[7] Princess Margaret Hosp, Toronto, ON M4X 1K9, Canada