Li, Yuefeng
Liang, Yi
Yang, Ping
Xu, Yuhao
Zhang, Ningning
Zhu, Yan
Zhu, Xiaolan
Yan, Jinchuan
Ju, Shenghong
Funding for this research was provided by:
National Natural Science Foundation of China (81871343)
Article History
Received: 6 August 2019
Revised: 5 October 2019
Accepted: 22 October 2019
First Online: 3 January 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Jinchuan Yan.
: The authors have no potential conflicts of interest relevant to this 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• performed at one institution