[1] Angeles Clin, Los Angeles, CA USA
[2] Res Inst, Los Angeles, CA USA
[3] Dana Farber Canc Inst, Boston, MA 02115 USA
[4] Earle A Chiles Res Inst, Portland, OR USA
[5] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[6] Inst Gustave Roussy, Villejuif, France
[7] Netherlands Canc Inst, Amsterdam, Netherlands
[8] Univ Hosp, Zurich, Switzerland
[9] Bristol Myers Squibb Co, Wallingford, CT 06492 USA
[10] Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA