Pan, Yueying
Guan, Hanxiong
Zhou, Shuchang
Wang, Yujin
Li, Qian
Zhu, Tingting
Hu, Qiongjie
Xia, Liming http://orcid.org/0000-0001-8481-3380
Article History
Received: 6 February 2020
Accepted: 6 February 2020
First Online: 13 February 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Prof. Liming Xia.
: 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.
: Institutional Review Board approval was obtained.
: No study subjects or cohorts have been previously reported before.
: • retrospective• cross sectional study• performed at one institution
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