Guo, Qianyun
Zhou, Shu
Feng, Xunxun
Yang, Jiaqi
Qiao, Jiaming
Zhao, Yingxin
Shi, Dongmei
Zhou, Yujie
Funding for this research was provided by:
China Postdoctoral Science Foundation (2019M650032)
Chinese Scholarship Council (CSC) scholarship (201706210415)
National Key Research and Development Program of China (2017YFC0908800)
Beijing Municipal Administration of Hospitals’ Ascent Plan (DFL20150601, SML20180601)
Article History
Received: 10 December 2019
Accepted: 18 February 2020
First Online: 24 February 2020
Ethics approval and consent to participate
: This study was complied with the Declaration of Helsinki and approved by the Institutional Ethics Committee of Beijing Anzhen Hospital. Written informed consent was not obtained from the participants, because of the data retrospectively obtained from electronic medical records.
: Not applicable.
: The authors declare that they have no competing interests.