Guo, Jialiang
Dong, Weichong
Qin, Shiji
Zhang, Yingze
Funding for this research was provided by:
This research was supported by the Main Medical Scientific Research of Hebei
Article History
Received: 25 February 2019
Accepted: 30 July 2019
First Online: 9 September 2019
Competing Interests
: The authors declare no competing interests.