Chen, Jiaxing
Huang, Xiao
Xu, Zijie
Zhang, Hua
Zhou, Aiguo http://orcid.org/0000-0003-1717-101X
Zhao, Pei
Yin, Lifeng
Article History
Received: 14 October 2020
Accepted: 16 March 2021
First Online: 9 April 2021
Compliance with ethical standards
:
: The authors declare they have no financial interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics Committee of the First Affiliated Hospital of Chongqing Medical University. (Number: 2019–228).
: The informed consent was waived by the Ethics Committee of the First Affiliated Hospital of Chongqing Medical University in view of the retrospective nature of the study.
: The data used to support the findings of this study are available from the corresponding author upon request.
: Not applicable.