Liang, Jiemei
Chen, Xiting
Huang, Jinfa
Nie, Weizhe
Yang, Qian
Huang, Qitao
Deng, Kaixian
Article History
Received: 14 November 2022
Accepted: 19 February 2023
First Online: 11 March 2023
Declarations
:
: Each participant gave written informed consent, and the survey protocol was approved by the National Centre for Health Statistics (NCHS) Ethics Review Board. All the methods carried out in the study were in accordance with relevant regulations & guidelines.
: Not applicable.
: The researchers state to have no conflicts of interest.