Zhao, Yongpeng
Xiang, Rui
Peng, Xin
Dong, Qian
Li, Dan
Yu, Guiquan
Xiao, Lei
Qin, Shu
Huang, Wei
Funding for this research was provided by:
National Natural Science Foundation of China (81170188 and 30971212)
Natural Science Foundation of Chongqing (CSCT2009BB5069)
Chongqing Municipal Health and Family Planning Commission (2016HBRC001 and 2016XMSB0003767)
Article History
Received: 20 January 2019
Accepted: 3 June 2019
First Online: 14 June 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Chongqing Medical University (Chongqing, China).
: Not applicable.
: The authors declare that they have no competing interests.