Yin, Xiao-jie
Wei, Bang-yan
Ke, Xiu-ping
Zhang, Ting
Jiang, Meng-yang
Luo, Xia-yan
Sun, Hui-qiang http://orcid.org/0000-0002-8878-4676
Funding for this research was provided by:
Key Technology Research and Development Program of Shandong (2019GSF107001)
Article History
Received: 10 August 2019
Accepted: 7 February 2020
First Online: 19 February 2020
Ethics approval and consent to participate
: This study was conducted in full accordance with the World Medical Association Declaration of Helsinki and was approved by the Medical Ethics Committee of the Affiliated Stomatological Hospital to Shandong University (No. R20180502). Written informed consent was obtained from all study participants.
: Not applicable.
: The authors declare that they have no competing interests.