Siyu, Yu
Shihong, Li
Hanzhao, Liu
Qiufang, Xu
Jingyi, Liu
Fengzhu, Cai
Shaotan, Xiao
Gengsheng, He
Article History
Received: 11 May 2023
Accepted: 27 July 2023
First Online: 8 August 2023
Declarations
:
: This study was approved by the Institute Ethics Committees of Shanghai Pudong New Area Center for Disease Control and Prevention and was performed according to the guidelines of the Declaration of Helsinki. The data released from the Global Health Data Exchange query did not require informed consent.
: The authors declare no competing interests.