Li, Yuanyuan
Tong, Xianqin
Wang, Shuai
Yu, Liming
Yang, Gang
Feng, Jinqiu
Liu, Yuehua
Funding for this research was provided by:
Shanghai Municipal Health Commission (2019SY041, GWV-10.2-YQ16)
Clinical Research Plan of Shanghai Shenkang Hospital Development Center (Clinical Research Plan of Shanghai Shenkang Hospital Development Center)
Article History
Received: 30 August 2022
Accepted: 13 February 2023
First Online: 8 March 2023
Declarations
:
: This study is registered on 11 December 2021 (ChiCTR2100054206), and formally approved by the Ethical Committee of the Shanghai Stomatological Hospital on 24 December 2021 (Certificate Number 2021–028). All procedures performed were in accordance with the Declaration of Helsinki for research involving human subjects. The informed consent was obtained from the guardians of subjects before the survey.
: Not applicable.
: The authors declare that they have no competing interests.