Meng, Xiang Hong
Wu, Di Jia
Wang, Zhi
Ma, Xin Long
Dong, Xiao Man
Liu, Ai E
Chen, Lei
Funding for this research was provided by:
China Postdoctoral Science Foundation (2019M651053)
Article History
Received: 29 October 2020
Revised: 4 January 2021
Accepted: 4 January 2021
First Online: 18 February 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional review board and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was waived because of the retrospective nature of the study.