Luo, Yi
Xia, Lie-xin
Li, Zhi-lian
Pi, Ding-fang
Tan, Xian-pei
Tu, Qiang
Funding for this research was provided by:
Natural Science Foundation of Hubei Province (2018CFB322)
Article History
Received: 28 December 2019
Accepted: 23 January 2020
First Online: 8 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were approved by the ethics committee of the first people’s hospital of Jingzhou, and were performed in accordance with the 1964 Declaration of Helsinki.
: The board allowed the study to be conducted without patients' consent because of the retrospective nature of the study [CitationRef removed].