Han, Yi
Hou, Xiao-Mei
Funding for this research was provided by:
The National Natural Science Foundation of China (81200826)
Article History
Received: 23 April 2020
Accepted: 11 March 2021
First Online: 23 March 2021
Declarations
:
: Ethical approval was obtained from the Biomedical ethics committee of Stomatological Hospital of Peking University. The committee’s reference number is PKUSSIRB-201735063. The informed consent obtained from study participants was written.
: Not applicable.
: The authors declare that they have no competing interests.