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Authors
Yuan, Honglei
Liu, Xiaojing
Li, Li
Wang, Gang
Liu, Chunfang
Zeng, Yuzhen
Mao, Ruolin
Du, Chunling
Chen, Zhihong https://orcid.org/0000-0001-6048-5917
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81270078, 81470211)
Shanghai 3 year Plan of the Key Subjects Construction in Public Health-Infectious Disease and Pathogenic Microorganism (15GWZK0102)
Shanghai Health Committee (201840288)
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Article History
Received: 8 January 2019
Accepted: 20 June 2019
First Online: 2 July 2019
Ethics approval and consent to participate
: All the participants provided written informed consent before entering the study. The approval was renewed for the first and the second follow-up. The protocol (No: B2014-109) was approved by the institutional review board at Fudan University prior to the study.
: Not applicable.
: The authors declare that they have no competing interests.
