[1] Ottawa Reg Canc Ctr, Ottawa, ON, Canada
[2] Premiere Oncol, Santa Monica, CA USA
[3] Cross Canc Inst, Edmonton, AB, Canada
[4] Univ Wisconsin, Ctr Comprehens Canc, Madison, WI USA
[5] Ist Europeo Oncol, Milan, Italy
[6] Christie Hosp, Manchester, Lancs, England
[7] Mt Vernon Canc Ctr, Northwood, Middx, England
[8] Peter MacCallum Canc Ctr, East Melbourne, Australia
[9] Bristol Myers Squibb, Princeton, NJ USA