1. From the Cancer-Cross Institute, Edmonton, Alberta; Department of Oncology, Jewish General Hospital and McGill University, Montreal, Quebec, Canada; University of Texas M.D. Anderson Cancer Canter, Houston, TX; Florida Cancer Specialists, Fort Myers, FL; Louisiana State University Health Science Center, Shreveport, LA; University of New Mexico Cancer Center, Albuquerque, NM; AstraZeneca, Wilmington, DE; and AstraZeneca, Alderley Park, Macclesfield, United Kingdom.