Xu, Shuaimei
Dao, Junfeng
Liu, Zhongjun
Zhang, Zhiyong
Lu, Yu
Zeng, Xiongqun http://orcid.org/0000-0001-6226-7809
Funding for this research was provided by:
Guangdong Medical Research Foundation (A2019567 and B2018121)
Youth Innovation Talents Project (2017KQNCX028 and 2017KQNCX029)
Article History
Received: 7 November 2019
Accepted: 29 April 2020
First Online: 8 May 2020
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board and Ethical Committee of Stomatological Hospital, Southern Medical University (Date of approval: March 12, 2018. Approval number: 201808). Informed consent was waived by the study subjects because all the patient data were anonymized and de-identified before the analysis.
: Not applicable.
: The authors declare that they have no competing interests.