Wang, Pengfei
Xiong, Jianjing
Zheng, Jinlei
Chai, Chengliang
Wang, Ying
Article History
Received: 5 December 2022
Accepted: 3 July 2023
First Online: 26 July 2023
Declarations
:
: The study was provided ethical approval by the Review Board of Fudan University School of Public Health (IRB#2014–03-0497).The study was conducted in accordance with the Declaration of Helsinki. The dignity, privacy, and confidentiality of personal information of the participants were protected. All participants were requested to voluntarily participate, were informed that they could withdraw from the study at any time, and signed informed consent to participate in this study.Informed consent was also obtained from the legal guardians for the participants aged 16 years and younger included in this study.
: Not applicable.
: The authors declare that they have no competing interests.