1. Hematology Department, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi�330000, P.R. China
2. Hematology Department, The 171st Affiliated Hospital of Jiujiang University, Jiujiang, Jiangxi�332000, P.R.�China
3. Hematology Department, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330000, P.R. China