Liu, Jiayi
Chen, Taili
Yang, Haitao
Cai, Yeyu
Yu, Qizhi
Chen, Juan
Chen, Zhu
Shang, Quan-Liang
Ma, Cong
Chen, Xiangyu
Xiao, Enhua
Article History
Received: 25 February 2020
Revised: 17 April 2020
Accepted: 23 April 2020
First Online: 8 May 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Prof. Xiangyu Chen and Prof. Enhua Xiao.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• observational study• multi-centre study
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