Shen, Hongwei
Chen, Haochuan
Ou, Yongxuan
Huang, Tingting
Chen, Siping
Zhou, Lintao
Zhang, Jinjin
Hu, Qinghua
Zhou, Yiwen
Ma, Wen
Funding for this research was provided by:
Natural Science Foundation of Guangdong Province (2018A0303130119, 2020A1515010009)
Sanming Project of Medicine in Shenzhen (SZSM201811071 and SZSM201612023)
Article History
Received: 16 April 2020
Accepted: 29 June 2020
First Online: 6 July 2020
Ethics approval and consent to participate
: All aspects of the study were performed in accordance with national ethics regulations and approved by the Ethics Committees of the participated organizations, including Shenzhen Center for Disease Control and Prevention, Futian District Center for Disease Control and Prevention, and the sentinel hospitals. Participants received information regarding the purpose of this study and of their right to confidentiality. Written consent was obtained from the participants or the parents or guardians of the pediatric patients.
: Not applicable.
: The authors declare that they have no competing interests.