Li, Yanzhi
Guo, Lan
Zhang, Jiayu
Tang, Xianghua
Zhao, Feng
Hu, Yin
Guo, Yangfeng
Du, Xueying
Yang, Xiao
Lu, Ciyong
Funding for this research was provided by:
The Natural Science Foundation of Guangdong Province (2017A030313465)
The Guangzhou Municipal Science and Technology Project (201803010062)
Article History
Received: 12 September 2023
Accepted: 5 December 2023
First Online: 13 December 2023
Declarations
:
: This study was approved by the Sun Yat-sen University, School of Public Health institutional review board and carried out in accordance with the Declaration of Helsinki. All children gave written informed consent signed by their parents or guardians.
: Not applicable.
: The authors declare no competing interests.