1. From the Cleveland Clinic Taussig Cancer Institute, Cleveland, OH; Massachusetts General Hospital, Boston, MA; University of California, San Francisco; City of Hope, Los Angeles; Pfizer Global Research and Development, La Jolla, CA; Vanderbilt University, Nashville, TN; University of Chicago, Chicago, IL; Baylor-Sammons/Texas Oncology, Dallas, TX; and Duke University Medical Center, Durham, NC