Zhu, Wenjun
Feng, Rongmei
Fu, Yun
Article History
Received: 20 September 2021
Accepted: 24 March 2022
First Online: 1 April 2022
Declarations
:
: This study was scrutinized and determined to be exempt from oversight by the Medical Ethics Committee of Hospital of Stomatology, Sun Yat-sen University (No. KQEC-2020–65-01). All methods in the present study were carried out in accordance with the Declaration of Helsinki. Informed consent was obtained from all subjects of the present study.
: Not applicable.
: The authors declare that they have no competing interests.