Zheng, Junyi
Yang, Kai
Funding for this research was provided by:
National Nature Science Foundation of China (81771103)
‘Beijing Hospitals Authority’ Ascent Plan (DFL20191501)
Article History
Received: 16 December 2020
Accepted: 19 June 2021
First Online: 28 June 2021
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. Ethical approval was obtained from the Research Ethics Committee of Beijing Stomotological Hospital, Capital Medical University (code: CMUSH-IRB-KJ-PJ-2018-11). Informed consent was obtained from all individual participants included in the study.
: Patients signed informed consent regarding publishing their data and photographs.
: The authors declare that they have no competing interests.