1. Aizawa Hospital, 2-5-1 Honjo, Matsumoto-shi, Nagano 390-8510, Japan
2. National Cancer Center Hospital, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
3. Aichi Cancer Center Hospital, 1-1 Kanokoden, Chikusa-ku, Nagoya-shi, Aichi 464-8681, Japan
4. Tokyo Metropolitan Cancer & Infectious Diseases Center Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo 113-8677, Japan
5. Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto-shi, Kumamoto 860-8556, Japan
6. Showa University, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, Japan
7. Hokkaido University Hospital, North 14, West 5, Kita-ku, Sapporo-shi, Hokkaido 060-8648, Japan
8. Osaka University, 2-15 Yamadaoka, Suita-shi, Osaka 565-0871, Japan
9. Aichi Medical University, 1-1, Yazakokarimata, Nagakute-shi, Aichi 480-1195, Japan
10. Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara-shi, Kanagawa 252-0375, Japan
11. Misawa City Hospital, 164-65 Horiguchi, Misawa, Misawa-shi, Aomori 033-0022, Japan
12. Kyoto University, 54 Syougoin, Kawara-cho, Sakyo-ku, Kyoto-shi, Kyoto 606-8507, Japan
13. Kochi Health Sciences Center, 2125-1 Ike, Kochi-shi, Kochi 781-8555, Japan
14. Tokyo Medical & Dental University, Graduate School, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan