Xue, Gaici
Tang, Haishuang
Liu, Peng
Zuo, Qiao
Yang, Pengfei
Zhou, Yu
Li, Qiang
Fang, Yibin
Huang, Qinghai
Hong, Bo
Xu, Yi
Zhao, Rui
Liu, Jianmin
Funding for this research was provided by:
National Natural Science Foundation of China (81671137)
National Natural Science Foundation of China (81571126)
Article History
Received: 25 March 2019
Accepted: 22 July 2019
First Online: 15 August 2019
Compliance with ethical guidelines
:
: G. Xue, H. Tang, P. Liu, Q. Zuo, P. Yang, Y. Zhou, Q. Li, Y. Fang, Q. Huang, B. Hong, Y. Xu, R. Zhao and J. Liu declare that they have no competing interests.
: This study protocol was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Written informed consent for inclusion in the study was waived by the Institutional Review Board because of the retrospective design of this observational study.