Zhang, Jing
Zhang, Chun-lai
Kuang, Lian-qin
Li, Xiao-guang
Tang, Wei
Wang, Yi http://orcid.org/0000-0002-0818-724X
Funding for this research was provided by:
National Natural Science Foundation of China (81671943)
Article History
Received: 27 August 2020
Revised: 13 October 2020
Accepted: 20 October 2020
First Online: 3 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the ethics board of our institution and the requirement to obtain informed consent was waived because of the retrospective design.