Kota Mizuno, Takahiro Kamiya, Kyoko Masuda, Masahiro Akimoto, Shinji Ogura, Chisako Ito, Yuriko Fujita, Yoshinobu Aisa, Tomonori Nakazato (Department of Hematology, Yokohama Municipal Citizen's Hospital)

Tsukasa Yamaguchi, Tatsu Shimoyama, Tatsuya Konishi, Toshihiro Okuya, Chikako Funasaka, Yusuke Kanemasa, Yasushi Omuro (Department of Chemotherapy, Tokyo Metropolitan Komagome Hospital)

Atsushi Hasegawa¹, Masahito Uchihara¹, Masayuki Kubo¹, Haruyuki Tanaka¹, Itsuto Amano¹, Nozomi Okahashi², Shouko Yamamoto³, Yasuhiro Mitsui³, Kazuya Miyashita³, Yuki Nishimura³, Mitsuko Nishikawa³, Hideo Asada³ (1.Second department of internal medicine, Nara Medical Univ., Kashihara, Japan, 2.Saiseikai Chuwa Hospital, Sakurai, Japan, 3.Dermatol., Nara Medical Univ., Kashihara, Japan)

Takaya Mitsuyoshi, Hirotaka Nakamura, Tomohiro Taya, Ryosuke Nomura, Kohei Tada, Masaharu Tashima, Kazuo Hatanaka, Hitomi Kaneko, Chisato Mizutani, Kazunori Imada (Hematology, Osaka Red cross hospital, Osaka, Japan)

Toru Kida, Satoru Kosugi, Makiko Suga, Tsunayuki Kakimoto, Seiji Tadokoro, Hironori Take (Department of Internal Medicine (Hematology), Toyonaka Municipal Hospital, Toyonaka, Japan)

Aiko Sawazaki, Go Aoki, Kazuhiro Okafuji, Kazuo Notsumata, Daishu Toya (Dept Int.Med., Fukui-ken Saiseikai Hospital, Fukui, Japan)

Masakazu Higuchi¹, Takemasa Senoo², Chie Morita³, Hiroshi Mitsuoka², Tetsuo Hamada⁴, Kazuhiro Hayashida³ (1.Dept. of Hematol., JR Kyushu Hospital, Kitakyushu, Japan, 2.Dept. of Gastroenterol., JR Kyushu Hospital, Kitakyushu, Japan, 3.Dept. of Hepatol., JR Kyushu Hospital, Kitakyushu, Japan, 4.Dept. of Pathol., JR Kyushu Hospital, Kitakyushu, Japan)

Jun Ishiko¹, Koichi Tsutahara², Tetuya Takao², Masashi Nakagawa¹ (1.Department of Hematology, Osaka General Medical Center, Osaka, Japan, 2.Department of Urology, Osaka General Medical Center, Osaka, Japan)