Zhang, Zhigang
Wang, Weilan
Wang, Xiaochen
Yu, Xiuyan
Zhu, Ying
Zhan, Hongwei
Chen, Zhigang
Li, Baizhou
Huang, Jian
Article History
Received: 11 July 2019
Revised: 28 March 2020
Accepted: 8 May 2020
First Online: 10 June 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Jian Huang.
: 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 obtained from all subjects (patients) in this study.
: This study was approved by Second Affiliated Hospital of Zhejiang University School of Medicine ethics committee and all the patients had given written informed consent.
: • retrospective• observational• performed at one institution