Du, Xueqin
Liu, Yi
Zhao, Chunhui
Fang, Jingzhou
Wang, Xiangna
Wei, Limin
Funding for this research was provided by:
Government-funded project for outstanding clinical talents of Hebei (361003)
Mandatory plan for major research projects in medical science research of Hebei (20160077)
Article History
Received: 7 December 2018
Accepted: 25 April 2019
First Online: 10 May 2019
Ethics approval and consent to participate
: All work was conducted in accordance with the Declaration of Helsinki (1964), the experimental protocol was approved by the Ethics Committee of Hebei General Hospital, and all the subjects signed the informed consent prior to beginning the study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.