Zhou, Xing-Hong
Huang, Ying
Yuan, Chao
Zheng, Shu-Guo
Zhang, Jian-Guo
Lv, Xiao-Ming
Zhang, Jie
Article History
Received: 26 February 2022
Accepted: 12 August 2022
First Online: 28 August 2022
Declarations
:
: The study was approved by the ethics review board of Peking University School and Hospital of Stomatology. We have obtained written informed consent from all participants (or their parent or guardian in the case of children under 16) before beginning of the study. All methods were performed in accordance with the Declaration of Helsinki and relevant policies in China.
: Not applicable.
: The authors declare that they have no competing interests with regards to authorship and/or publication of this paper.