- Correspondence to Professor Weihong Chen, Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China; ; Dr Mingyan Li, Institute of Preventive Medicine Information, Hubei Provincial Center for Disease Control and Prevention, Wuhan, Hubei, China;
- Received April 20, 2020
- Revised January 12, 2021
- Accepted January 18, 2021
- First published February 16, 2021.
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