Xiang, Ying
Wu, Feng
Chai, Yinghui
Xu, Xuebin
Yang, Lang
Tian, Sai
Zhang, Haoran
Li, Yinxia
Yang, Chaojie
Liu, Hongbo
Qiu, Shaofu
Song, Hongbin
Sun, Yansong
Funding for this research was provided by:
National Key R&D Program of China (2018YFC1603801)
National Key R&D Program of China (2017YFC1600105)
National Major Science and Technology Projects of China (2018ZX10101003, 2018ZX10714002)
National Nature Science Foundation of China (81872678, 81673237)
Article History
Received: 14 February 2020
Accepted: 29 July 2020
First Online: 11 August 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of the Chinese PLA Centre for Disease Control and Prevention. This study was performed retrospectively, and individual patient identification was not accessed and informed consent was not required. The data used in the article does not require permission.
: Not applicable.
: The authors declare that they have no competing interests.