Funding for this research was provided by:
Penelitian Unggulan Pengguruan Tinggi Negeri (PUPTN), Ministry of Research and Higher Education - Indonesia (200/UN3.14/LT/2018)
Text and Data Mining valid from 2019-07-13
Received: 13 December 2018
Accepted: 20 June 2019
First Online: 13 July 2019
Ethics approval and consent to participate
: This research study got ethical approval through a clearance number 256/HRECC.FODM/IV/2018 by the Health Research Ethical Clearance Commission of the Faculty of Dental medicine, Universitas Airlangga.
: Participants involved gave consent for the study for knowledge sharing and publication.
: The authors declare that they have no competing interest.