Wu, Jing
Pan, Junping
Teng, Da
Xu, Xunhua
Feng, Jianghua
Chen, Yu-Chen
Article History
Received: 18 February 2020
Revised: 12 April 2020
Accepted: 23 April 2020
First Online: 4 May 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Dr. Yu-Chen Chen.
: 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.
: The Institutional Review Board waived the requirement for patients’ informed consent.
: Institutional Review Board approval was obtained. The Ethics of Committees of Qujiang District People’s Hospital approved this retrospective study.
: • retrospective• cross sectional study• multicenter study
Free to read: This content has been made available to all.