Shi, Ying
Yang, Ya
Wang, Yingjian
Yang, Dongjian
Yang, Yu
Dong, Shurong
Li, Chunlin
Chen, Yue
Jiang, Qingwu
Zhou, Yibiao
Article History
Received: 28 July 2019
Accepted: 18 May 2020
First Online: 1 June 2020
Ethics approval and consent to participate
: The name of the ethics committee: Ethical Review Committee of School of Public Health, Fudan University.The ethics committee approval number: IRB#2017-TYSQ-10-1.Written informed consents were obtained from participants over the age of 16 and the parents/guardians of children prior to study procedures after they had been clearly informed about the study.
: Not applicable.
: The authors declare that they have no competing interests.