Liu, Shu-yan
Guo, Wei-hong
Yang, Bo
Li, Yong-feng
Huang, Xiao-yun
Wang, Xiao-qing
Chen, Jie
Xue, Dan
Zhou, Xue-hong
Funding for this research was provided by:
Jiaozuo City Medical Research Project (2017KY040)
Article History
Received: 18 January 2019
Accepted: 12 March 2019
First Online: 23 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the local ethics committee (No. 2016018).
: Written informed consent was obtained from all individual participants included in the study.