Funding for this research was provided by:
Shanghai Excellent Young Talents Project in Health System (2018YQ52)
Natural Science Foundation of China (71774116, 71603182)
National Key R&D Program of China (2018YFC1314700)
Shanghai Pujiang Program (2019PJC072)
Soft Project of Coronavirus Prevention and Control (2020RK38)
Received: 14 January 2020
Accepted: 7 July 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Research Ethics Committee of the School of Medicine, Tongji University (ref: LL-2016-ZRKX-017). Written consent was allowed according to the Ethics committee. The data were collected anonymously from the participants, and written consent was obtained from each participants.
: Not applicable.
: The authors declare that no conflict of interest exists.