1. Central Laboratory, Chongqing University Fuling Hospital, Chongqing 408000, PR China
2. Zunyi Medical University, Zunyi, Guizhou 563000, China
3. Department of Pediatrics, The Second Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou 563000, China
4. Natural Products Research Centre, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China