Lu, Lingxi
Bao, Xiaohan
Chen, Jing
Qu, Tianshu
Wu, Xihong
Li, Liang
Funding for this research was provided by:
the Beijing Municipal Science & Tech Commission (Z161100002616017)
the National Natural Science Foundation of China (31771252, 81601168)
the ‘973’ National Basic Research Program of China (2015CB351800)
Article History
First Online: 22 February 2018
Compliance with ethical standards
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: The authors declare no conflicts of interest.