From the Kinki University School of Medicine, Osaka City University School of Medicine, and AstraZeneca, Osaka, Tokushima University School of Medicine, Tokushima, National Cancer Center, Central Hospital, and Japanese Foundation for Cancer Research, Tokyo, National Cancer Center, East Hospital, Chiba, Kanagawa Cancer Center, Yokohama, and National Shikoku Cancer Center, Matsuyama, Japan; C.R.L.C.C. Rene Gauducheau, Saint-Herblain, France; University Hospital Gasthuisberg, Leuven, Belgium; Centre for... (At 2003-06-15)