[1] Hamamatsu Univ Sch Med, Hamamatsu, Shizuoka 4313192, Japan
[2] Ekisaikai Hosp, Nagoya, Aichi, Japan
[3] Hiroshima Red Cross Hosp, Hiroshima, Japan
[4] Kumamoto Univ, Kumamoto, Japan
[5] NTT W Kyushu Hsp, Kumamoto, Japan
[6] Saitama Med Univ, Kawagoe, Saitama, Japan
[7] Saitama Med Univ, Int Med Ctr, Hidaka, Japan
[8] Hyogo Coll Med, Nishinomiya, Hyogo 6638501, Japan
[9] Chiba Univ Hosp, Dept Hematol, Chiba, Japan
[10] Ohta Nishikouchi Hosp, Koriyama, Japan
[11] Ishikawa Prefectural Cent Hosp, Kanazawa, Ishikawa, Japan
[12] Hokkaido Cooperat Hematol Grp, Sapporo, Hokkaido, Japan
[13] Tokai Univ, Sch Med, Isehara, Kanagawa 25911, Japan
[14] Yamaguchi Univ, Sch Med, Dept Int Med 3, Ube, Yamaguchi 755, Japan
[15] Univ Tokyo, Tokyo, Japan
[16] Natl Hosp Org, Kyushu Canc Ctr, Fukuoka, Japan
[17] Teikyo Univ, Sch Med, Tokyo 173, Japan
[18] Tokyo Med & Dent Univ, Tokyo, Japan
[19] Heart Life Hosp, Nakagakigun, Japan
[20] Toyama Prefectural Cent Hosp, Toyama, Japan
[21] Hamanomachi Hosp, Dept Hematol, Fukuoka, Japan
[22] Hokkaido PWFAC Obihiro Kosei Gen Hosp, Obihiro, Hokkaido, Japan
[23] Niigata Canc Ctr Hosp, Niigata, Japan
[24] Narita Red Cross Hosp, Narita, Japan
[25] Ogawa Red Cross Hosp, Ogawa, Japan
[26] Tokushima Red Cross Hosp, Komatsushima, Japan
[27] Nagoya Univ, Grad Sch Med, Dept Hematol & Oncol, Nagoya, Aichi 4648601, Japan