Li, Zheng
Wang, Xiao
Jiang, Hong
Qu, Xiaoxia
Wang, Chengshuo
Chen, Xiaohong
Chong, Vincent Fook-Hin
Zhang, Luo
Xian, Junfang
Funding for this research was provided by:
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201704)
Beijing Municipal Administration of Hospitals’Ascent Plan (DFL20190203)
High Level Health Technical Personnel of Bureau of Health in Beijing (2014-2-005)
Article History
Received: 21 November 2019
Revised: 7 March 2020
Accepted: 25 March 2020
First Online: 11 April 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Junfang Xian.
: 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.
: <b>•</b> Retrospective• Case-control study• Performed at one institution