Jin, Shanshan
Yang, Chengzhe
Huang, Jiahui
Liu, Lianlian
Zhang, Yu
Li, Shutong
Zhang, Liguo
Sun, Qinfeng
Yang, Pishan http://orcid.org/0000-0002-7326-9452
Funding for this research was provided by:
National Natural Science Foundation of China (81771076)
Article History
Received: 15 November 2019
Revised: 19 January 2020
Accepted: 4 February 2020
First Online: 18 February 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Stomatological Hospital of Shandong University (No. 201712).
: Not applicable.
: The authors declare that they have no competing interests.