Li, Yuan
Shi, Xuejiao
Yang, Wenhui
Lu, Zhiliang
Wang, Pan
Chen, Zhaoli
He, Jie
Funding for this research was provided by:
National Natural Science Foundation of China (81172336,81372219,81301851)
PUMC Youth Fund and the Fundamental Research Funds for the Central Universities (33320140169)
the research special fund for public welfare industry of health (201402003)
Beijing Natural Science Foundation (7141011)