Chu, Guang
Zhao, Jia-min
Han, Meng-qi
Mou, Qing-nan
Ji, Ling-ling
Zhou, Hong
Chen, Teng
Du, Shao-yi
Guo, Yu-cheng
Funding for this research was provided by:
National Natural Science Foundation of China (81701869)
Postdoctoral Research Foundation of China (2019M653664)
Article History
Received: 12 September 2019
Accepted: 18 June 2020
First Online: 9 July 2020
Compliance with ethical standards
: Ethical approval was granted by the ethics committee of Stomatological Hospital of Xi’an Jiaotong University.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.
: Informed consent was provided by all individual participants included in the study, according to the Declaration of Helsinki.