Zhang, Yong
Kang, Ni
Xue, Fei
Qiao, Jing
Duan, Jinyu
Chen, Fan https://orcid.org/0000-0002-2975-5699
Cai, Yu
Funding for this research was provided by:
National Natural Science Foundations of China (81800978)
Peking University School and Hospital of Stomatology Cao Caifang Gengyun Foundation (2017)
Article History
Received: 28 August 2020
Accepted: 29 April 2021
First Online: 17 May 2021
Declarations
:
: The Ethics Committee of the Peking University School and Hospital of Stomatology approved the study protocol (No. PKUSSIRB-2015015). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written informed consent for participation was obtained from each subject recruited in this study.
: This manuscript does not involve details, images, or videos relating to individual participants. Written informed consent of this research was obtained from all the subjects involved.
: The authors declare that they have no conflict of interest.