1 Department of Hematology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu, 210008, P. R. China.
2 Nanjing Drum Tower Hospital Clinical College of Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, 210008, P. R. China.
3 School of Medicine, Southeast University, Nanjing, Jiangsu, 210008, P. R. China.