Han, Ling
Jie, Bingzhang
Luo, Jingguang
Chen, Liwei
Jia, Ye
Guo, Like
Zhao, Yan
Chen, Xin
Zhu, Xiaogang
Teng, Xu
Qi, Yongfen http://orcid.org/0000-0002-1662-8260
Funding for this research was provided by:
National Natural Science Foundation of China (81670434, 81770499, 31872790)
Project for training excellent talents of Xicheng District in Beijing (80004126)
Article History
Received: 10 November 2019
Accepted: 30 April 2020
First Online: 9 May 2020
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: This study involved human participants. It was approved by the Ethics Committee of Capital Medical University, and conducted according to the 1964 Helsinki declaration and its later amendments
: All participants provided written informed consent.