Du, Wenjun
Yu, Jinhong
Wang, Hui
Zhang, Xiaoguo
Zhang, Shouwei
Li, Qiang
Zhang, Zhongfa
Article History
Received: 6 March 2020
Accepted: 23 March 2020
First Online: 16 April 2020
Compliance with ethical standards
:
: The authors have no conflicts of interest to disclose.
: The project was approved by the ethics board of Jinan infectious hospital (No. 20200203).
Free to read: This content has been made available to all.