Wu, Yang
Hu, Haofei
Cai, Jinlin
Chen, Runtian
Zuo, Xin
Cheng, Heng
Yan, Dewen
Article History
Received: 19 December 2020
Accepted: 12 April 2021
First Online: 29 April 2021
Declarations
:
: The previously published article [CitationRef removed] has stated the study was conducted in accordance with the Declaration of Helsinki. The original study was approved by the Rich Healthcare Group Review Board, and the information was retrieved retrospectively. The requirement for informed consent was waived by the Rich Healthcare Group Review Board due to the observational nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.