Sharififard, Nasrin
Sargeran, Katayoun http://orcid.org/0000-0002-7746-0692
Gholami, Mahdia
Zayeri, Farid
Funding for this research was provided by:
Research Center for Caries Prevention, Dentistry Research Institute, Department of Community Oral Health, School of Dentistry, Tehran University of Medical Sciences, Tehran, Iran (98-01-194-405-84)
Article History
Received: 12 January 2020
Accepted: 30 April 2020
First Online: 18 May 2020
Ethics approval and consent to participate
: Ethical clearance sought from Ethics Committee, Tehran University of Medical Sciences (IR.TUMS.DENTISTRY.REC.1397.104). We proposed the information sheet about the study to the subjects, and written informed consent obtained from parents.
: Not applicable.
: The authors declare that they have no competing interests.