Li, Dan
Zeng, Xiaofang
Huang, Yi
Lei, Han
Li, Ge
Zhang, Nan
Huang, Wei
Funding for this research was provided by:
Ministry of Science and Technology of the People's Republic of China (2011BAI11B01)
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
First Online: 28 February 2019
Compliance with Ethical Standards
:
: This study was approved by the Ethics Committee of the First Affiliated Hospital of Chongqing Medical University and all subjects signed informed consent for data collection and analyses prior to participation.Dan Li, Xiaofang Zeng, Yi Huang, Han Lei, Ge Li, Nan Zhang, and Wei Huang declare that they no conflicts of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.