Atala-Acevedo, Claudia
Zaror, Carlos http://orcid.org/0000-0001-6942-6956
Espinoza-Espinoza, Gerardo
Muñoz-Millán, Patricia
Muñoz, Sergio
Martínez-Zapata, María José
Ferrer, Montse
Funding for this research was provided by:
Convenio de Desempeño Regional, FRO 1301 (UNT15-0012)
Article History
Received: 9 July 2019
Accepted: 10 December 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committee of the Universidad de La Frontera, Temuco, Chile with resolution number 061/2015. Informed written consent was obtained from all parents to consider their child’s participation in the study. In addition and as requested by the ethics committee, verbal consent was obtained from all preschoolers to consider their participation given their young age and their inability to consent in writing.
: Not applicable.
: The authors declare that they have no competing interest. Carlos Zaror is Associate Editor for BMC Oral Health.