Wei, Hui-Qiang
Guo, Xiao-Gang
Zhou, Gong-Bu
Sun, Qi
Liu, Xu
Luo, Bin
Yang, Jian-Du
Zhang, Shu
Ma, Jian
Funding for this research was provided by:
National Natural Science Foundation of China (81670309)
Article History
Received: 4 October 2018
Accepted: 1 January 2019
First Online: 8 January 2019
Compliance with ethical standards
: The research protocol used in this study was reviewed and approved by the institutional review board of the Fuwai Hospital.
: The authors declare that they have no conflict of interest.