Luo, Yong
Feng, Bingfu
Wei, Dechao
Han, Yili
Li, Mingchuan
Zhao, Jiahui
Lin, Yunhua
Hou, Zhu
Jiang, Yongguang
Funding for this research was provided by:
Natural Science Foundation of Beijing (NO. 7192053)
High Level Backbone Doctor Training Project of Beijing Health System (NO. 2015-3-054)
Article History
Received: 24 May 2019
Accepted: 5 October 2020
First Online: 19 October 2020
Competing interests
: The authors declare no competing interests.