1. Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China
2. Department of Hematology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China
3. Department of Antibiotics, Anhui Institute For Food and Drug Control, Hefei, Anhui 230022, P.R. China