Funding for this research was provided by:
National Natural Science Foundation of China (81571767 and 81870784)
LiaoNing Revitalization Talent Program (XLYC1805006)
Text and Data Mining valid from 2019-12-01
Received: 22 March 2019
Accepted: 11 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: Animal experiments, transportation, and care were conducted in compliance with the relevant laws and the guidelines issued by the Ethical Committee of Dalian Medical University. The use of these clinical samples was approved by the Ethics Committee of School and Hospital of Stomatology, Jilin University.
: All authors of this article have directly participated in the planning and drafting and all authors listed have read and approved the final version including details and images. The written informed consent for the publication has been obtained from all the authors.
: The authors declare no competing interest.