Department of Hematology, Jinhua People's Hospital, Jinhua, Zhejiang Province, 321000, China. Institute of Hematology Research, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, China. gaoruilan@126.com. Department of Hematology, the Second of Shaoxing Hospital, Shaoxing, Zhejiang Province, 312000, China. Department of Hematology, Lishui Central Hospital, Lishui, Zhejiang Province, 323000, China. Department of Hematology, First Hospital of Ningbo, Ningbo, Zhejiang Province, 315010, China. Department of Clinical Medicine, Medical College, Jinhua Polytechnic, Jinhua, Zhejiang Province, 321000, China. Institute of Hematology Research, the First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, 310006, China.