Epulef, Valeria
Muñoz, Sergio
Alarcón, Ana María
Vial, Manuel
Funding for this research was provided by:
DIUFRO (DI17-0055)
Fondo Nacional de Desarrollo Científico y Tecnológico (1150833, 1150833)
Article History
Received: 7 August 2022
Accepted: 31 October 2022
First Online: 14 November 2022
Declarations
:
: This study was conducted in compliance with the principles of the Declaration of Helsinki. The protocol of this study was reviewed and approved by the Institutional Review Board (Res Ext N0. 27685/2016) and by the Ethics Committee of the Universidad de La Frontera (File No. 018/2017). Written informed consent was obtained from the parents/guardians by a research assistant.
: Not applicable.
: The authors declare that they have no competing interests.