Jiang, Yiran
Song, Guangying
Yu, Xiaonan
Dou, Yuanbo
Li, Qingfeng
Liu, Siqi
Han, Bing
Xu, Tianmin
Funding for this research was provided by:
Beijing Nature Science Foundation (7192227)
National Natural Science Foundation of China (51972005, 51672009)
Research Foundation of Peking University School and Hospital of Stomatology (PKUSS20190115)
Article History
Received: 2 December 2019
Accepted: 12 March 2020
First Online: 19 March 2020
Ethics approval and consent to participate
: The institutional review board for the protection of human subjects reviewed and approved the research protocol (IRB-201626016).
: Not applicable.
: The authors declare that they have no competing interests.