Namano, Sahaprom
Komin, Orapin http://orcid.org/0000-0001-6831-9382
Funding for this research was provided by:
Chulalongkorn University
Article History
Received: 26 August 2020
Accepted: 21 January 2021
First Online: 8 February 2021
Ethics approval and consent to participate
: Ethic approval was granted by the Research Ethics Committee of the Faculty of Dentistry, Chulalongkorn University (HREC-DCU 2019-004). The principal investigator is responsible for ensuring the confidentiality of the study documents and protecting the anonymity of all respondents. Written informed consent was provided by the patients prior to enrollment to the study.
: Not applicable.
: The authors declare that they have no competing interests.