Ge, Wenxin
Yi, Liping
Xiao, Chengqi
Xiao, Yue
Liu, Jieyu
Liang, Fei
Yin, Jieyun
Hu, Jia
Article History
Received: 23 June 2021
Accepted: 10 October 2021
First Online: 16 November 2021
Competing interests
: The authors declare no competing interests.
: For the recruited participants, informed consent forms in writing duly signed by their guardians were collected before their examination. The project was reviewed by the ethics committees of the Suzhou Center for Disease Prevention and Control.