[1] Ctr R Gauducheau, St Herblain, France
[2] Royal Victoria Hosp, Montreal, PQ H3A 1A1, Canada
[3] Hong Kong Canc Inst, Sr YK Pao Ctr Canc, Hong Kong, Hong Kong, Peoples R China
[4] Univ N Carolina, Lineberger Comprehens Canc Ctr, Chapel Hill, NC 27599 USA
[5] AstraZeneca, Macclesfield, Cheshire, England
[6] AstraZeneca, Wilmington, DE USA
[7] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA