Liu, Yanfeng
Song, Jianping
Liu, Yu
Zhou, Zhipeng
Wang, Xianqiang
Funding for this research was provided by:
the Beijing Municipal Natural Science Foundation (7202192)
Article History
Received: 7 January 2020
Accepted: 19 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: This study was approved by the ethic committee of Qilu Hospital of Shandong University. Informed consent was obtained from each participant.
: Authors confirmed that this work can be published. The content of this manuscript is original and it has not yet been accepted or published elsewhere.
: The authors declare that no competing interest exists in this study.