Tomoyuki Arimatsu, Yotaro Motomura, Saeko Sonokawa, Sayaka Suzuki, Keigo Okada, Takashi Kumagai (Department of Hematology, Ome Municipal General Hospital, Tokyo, Japan)

Futoshi Iioka, Yusuke Toda, Wataru Maruyama, Takashi Akasaka, Hitoshi Ohno (Department of Hematology, Tenri Hospital)

Hiroshi Takahashi, Hideyoshi Noji, Satoshi Kimura, Hiroshi Ohkawara, Akiko Shichishima-Nakamura, Kayo Harada-Shirado, Takahiro Sano, Masahiko Fukatsu, Takayuki Ikezoe (Hematol., Fukushima Medical Univ., Fukushima, Japan)

Ebata Nozomiko¹, Toshie Ogasawara^1,2, Julia Hamasaki¹, Miki Shimada², Ai Kyono², Shoko Marshall², Kiyotaka Kawauchi², Naoki Mori², Hiroshi Sakura² (1.Postgraduate center Med. Center East Tokyo Women Med Univ. japan, 2.Dept. Med. Tokyo Women Med Univ. Med. Center East, japan)

Sayato Fukui, Atsuko Hojo, Yoshimasa Kura, Umihiko Sawada (Kasukabe medical center, Saitama, Japan)

Aya Nakaya, Shinya Fujita, Atsushi Satake, Takahisa Nakanishi, Yoshiko Azuma, Yukie Tsubokura, Akiko Konishi, Masaaki Hotta, Hideaki Yoshimura, Kazuyoshi Ishii, Tomoki Ito, Shosaku Nomura (First Department of Internal Medicine, Kansai Medical University)

Mayumi Tokunaga¹, Mao Wakamatsu¹, Taisei Suzuki¹, Akiko Negoro¹, Hiroshi Teranaka¹, Kumiko Kishimoto¹, Daisuke Ishibashi¹, Rika Kawasaki¹, Hiroyuki Fujita¹, Hideaki Nakajima² (1.Dep. of Hematology, Saiseikai Yokohama Nanbu Hospital, 2.Dep. of Hematology and Clinical Immunology, Yokohama City University)

Haruka Tashiro¹, Yukako Teramoto², Aya Fujishiro², Ai Asai², Masaki Iwasa², Rie Nishimura², Masahiro Kawahara², Hitoshi Minamiguchi², Katsuyuki Kito², Akira Andoh² (1.Clinical Education Center for Physicians., SUMS., Shiga, Japan, 2.Division of Hematology., SUMS., Shiga, Japan)