1. JCHO Tokyo Shinjuku Medical Center, Tokyo, Japan
2. Yokohama City University Medical Center, Yokohama, Japan
3. Saitama Medical Center, Saitama Medical University, Saitama, Japan
4. Harasanshin Hospital, Fukuoka, Japan
5. NHO Kyushu Cancer Center, Fukuoka, Japan
6. Osaka International Cancer Institute, Osaka, Japan
7. Bayer Yakuhin, Ltd, Osaka, Japan