Deghatipour, Marzie http://orcid.org/0000-0001-9792-6704
Ghorbani, Zahra http://orcid.org/0000-0002-3586-8913
Mokhlesi, Amir Hossein
Ghanbari, Shahla
Namdari, Mahshid
Funding for this research was provided by:
Oral and Dental Disease Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.
Dental Research Center, Research Institute of Dental Sciences, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran
Article History
Received: 23 January 2022
Accepted: 21 June 2022
First Online: 8 July 2022
Declarations
:
: We confirm that all methods were performed in accordance with the relevant guidelines and regulations. This study was approved by the Committee of Ethics in Research Affairs of Dental School, Shahid Beheshti University of Medical sciences (Code: IR.SBMU.DRC.REC.1397.003). After explanation of the study objectives, an informed consent was obtained for the participation. One of the mothers at the baseline of study was under 16 years old whose consent form was signed by her father as her legal guardian according the local rules.
: Not applicable.
: The authors declare that they have no competing interests.