1 Laboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Academy of Military Medical Sciences, Beijing, 100071, China.
2 Laboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Academy of Military Medical Sciences, Beijing, 100071, China. xujunjie@sina.com.
3 Laboratory of Advanced Biotechnology, Beijing Institute of Biotechnology, Academy of Military Medical Sciences, Beijing, 100071, China. cw0226@foxmail.com.