[1] Dana Farber Canc Inst, Boston, MA 02115 USA
[2] UZ Gasthuisberg, Louvain, Belgium
[3] Mt Sinai Hosp, Toronto, ON M5G 1X5, Canada
[4] Univ Toronto, Toronto, ON, Canada
[5] H Lee Moffit Canc Ctr & Res Inst, Tampa, FL USA
[6] Ohio State Univ, Columbus, OH 43210 USA
[7] Oregon Hlth Sci Univ, Ctr Canc, Portland, OR 97201 USA
[8] Portland VA Med Ctr, Portland, OR USA
[9] PeterMacCallum Canc Ctr, Melbourne, Australia
[10] Royal Marsden Hosp, Sutton, Surrey, England
[11] Pfizer Inc, La Jolla, CA USA
[12] Inst Nazl Tumori, Milan, Italy