Kazuya Sakai¹, Masataka Kuwana², Hiroto Kojima³, Hidenori Tanaka³, Masanori Matsumoto¹ (1.Department of Blood Transfusion Medicine, Nara Medical University, Nara, Japan, 2.Department of Allergy and Rheumatology, Nippon Medical School, Tokyo, Japan, 3.HLA Foundation Laboratory, Kyoto, Japan)

Yuta Kimura¹, Tomomi Ito¹, Junichi Watanabe¹, Ken Naganuma¹, Yuka Tanaka¹, Yasuyuki Takahashi¹, Tatsuki Tomikawa¹, Tomoe Anan¹, Morihiko Sagawa¹, Yoko Yoshida², Yuka Sugawara², Yoichiro Ikeda², Takayuki Tabayashi¹, Reiko Nakaseko¹, Michihide Tokuhira¹, Masahiro Kizaki¹ (1.Hematology, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan, 2.Division of Nephrology and Endocrinology, The University of Tokyo, Japan)

Noriaki Kawano¹, Naoko Ikeda¹, Tomohiro Abe², Takashi Nakaike¹, Taro Tochigi¹, Kiyoshi Yamashita¹ (1.Department of Internal medicine, Miyazaki Prefectural Miyazaki Hospital, 2.Department of Emergency, Miyazaki Prefectural Miyazaki Hospital)

Toshiki Yamada¹, Hisashi Tsurumi² (1.Dept. Hematol., Gifu Pref. General Medical Center, Gifu, Japan, 2.Dept. Hematol., Matsunami General Hosp, Gifu, Japan)

Fumitaka Shibasaki¹, Masahiro Takeyama², Keiji Nogami², Kana Sasai², Midori Shima² (1.Nara Medical University, Kashihara, Japan, 2.Department of Pediatrics, Nara Medical University, Kashihara, Japan)

Takashi Satoh^1,2, Hayato Takiguchi², Haruki Uojima³, Hisashi Hidaka³, Makoto Kubo⁴, Koji Miyazaki⁵, Ryouichi Horie^1,2 (1.Division of Hematology, Kitasato Univ., Kanagawa, Japan, 2.Division of Molecular Hematology, Kitasato Univ., Kanagawa, Japan, 3.Department of Gastroenterology, Kitasato Univ., Kanagawa, Japan, 4.Division of Immunology, Kitasato Univ., Kanagawa, Japan, 5.Department of Transfusion and Cell Transplantation, Kitasato Univ., Kanagawa, Japan)