[1] Indiana Univ, Indianapolis, IN 46202 USA
[2] Univ Calif Los Angeles, Los Angeles, CA USA
[3] Kaiser No Calif, Vallejo, CA USA
[4] Genentech Inc, San Francisco, CA 94080 USA
[5] Univ Calif San Francisco, San Francisco, CA 94143 USA
[6] US Oncol, Houston, TX USA
[7] Rush Presbyterian St Lukes Med Ctr, Chicago, IL 60612 USA
[8] Duke Univ, Durham, NC USA
[9] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[10] Case Western Univ, Cleveland, OH USA