Erratum to: Int J Hematol (2015) 102:101–110 DOI 10.1007/s12185-015-1801-5

The corresponding author of the article would like to add “Sung-Won Kim” in the author group. The revised author group is as follows:

Hisayoshi Hashimoto · Shigehisa Kitano · Ryosuke Ueda · Ayumu Ito · Kohei Tada · Shigeo Fuji · Sung-Won Kim · Takuya Yamashita · Daisuke Tomura · Ikuei Nukaya · Junichi Mineno · Takahiro Fukuda · Shinichiro Mori · Yoichi Takaue · Yuji Heike