1. Tianjin Key Laboratory of Composite and Functional Materials; School of Materials Science and Engineering; Tianjin University; Tianjin 300072 P.R. China
2. Department of Clinical Microbiology; School of Laboratory Medicine; Tianjin Medical University; Tianjin 300203 P.R. China
3. Research Center of Basic Medical Sciences & Cancer Institute and Hospital; National Clinical Research Center of Cancer; Tianjin Medical University; Tianjin 300070 P.R. China