Naoki Miyashita, MD1*, Masahiro Onozawa, M.D., Ph.D.1, Jun Nagai, M.D.1*, Shota Yoshida, M.D.1*, Hiroyuki Kimura, MD1*, Toshihiro Matsukawa, M.D., Ph.D.1*, Shinsuke Hirabayashi, M.D., Ph.D.2*, Akio Mori, M.D., Ph.D.3, Takeshi Kondo, MD, PhD3, Daisuke Hidaka, M.D., Ph.D.4*, Koichiro Minauchi, M.D., Ph.D.5*, Akio Shigematsu, M.D., Ph.D.6, Junichi Hashiguchi, M.D.7*, Tetsuyuki Igarashi, M.D.8*, Yasutaka Kakinoki, M.D., Ph.D.9*, Yutaka Tsutsumi, M.D., Ph.D.10*, Hiroshi Iwasaki, M.D.11*, Shota Yokoyama12*, Kentaro Wakasa, M.D., Ph.D.12*, Katsuya Fujimoto, M.D., Ph.D.13*, Toshimichi Ishihara, M.D.14*, Hajime Sakai, M.D., Ph.D.15, Satoshi Iyama, M.D., Ph.D.16*, Tatsuo Oyake, M.D., Ph.D.17* and Takanori Teshima, M.D., Ph.D.1
1Department of Hematology, Hokkaido University Faculty of Medicine, Sapporo, Japan
2Department of Pediatrics, Faculty of Medicine, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
3Blood Disorders Center, Aiiku Hospital, Sapporo, Japan
4Department of Hematology, Sapporo Hokuyu Hospital, Sapporo, Japan
5Department of Hematology, Sapporo City General Hospital, Sapporo, Japan
6Department of Hematology, Kushiro Rosai Hospital, Kushiro, Japan
7Department of Internal Medicine, Kitami Red Cross Hospital, Kitami, Japan
8Department of Hematology, Tenshi Hospital, Sapporo, Japan
9Department of Hematology, Asahikawa City Hospital, Asahikawa, Japan
10Hakodate Municipal Hospital, Hakodate, Japan
11Sapporokousei General Hospital, Sapporo, Japan
12Department of Hematology, Obihiro Kosei Hospital, Obihiro, Japan
13Department of Hematology, National Hospital Organization Hokkaido Cancer Center, Sapporo, Japan
14Department of Hematology, Kin-ikyo Chuo Hospital, Sapporo, Japan
15Teine Keijinkai Hospital, Sapporo, Japan
16Department of Hematology, Sapporo Medical University School of Medicine, Sapporo, Japan
17Department of Hematology, Internal Medicine Iwate Medical University, Yahaba, Japan