Li, Xiaomei
Chen, Dongzhen
Zhang, Yan
Xue, Xiaojia
Zhang, Shengyang
Chen, Meng
Liu, Xuena
Ding, Guoyong
Funding for this research was provided by:
The Natural Science Foundation of Shandong Province for the General Program (ZR2020MH339)
The Academic Promotion Program of Shandong First Medical University (2019RC010)
The Shandong Province Higher Educational Young and Innovation Technology Supporting Program (2019KJL004)
The PhD Scientific Research Staring Foundation of Shandong First Medical University
Article History
Received: 21 September 2020
Accepted: 12 August 2021
First Online: 30 August 2021
Declarations
:
: Disease surveillance data used in this study were obtained from the China Information System for Disease Control and Prevention with the approval by Shandong CDC. All data are unidentified. The present study was reviewed by the research institutional review board of Shandong First Medical University, and it is found that utilization of disease surveillance did not require oversight by an ethics committee.
: Not applicable.
: We declare no competing interests.