Pérez-Villalobos, Cristhian
Briede-Westermeyer, Juan Carlos http://orcid.org/0000-0002-5746-0169
Schilling-Norman, Mary Jane
Contreras-Espinoza, Sergio
Funding for this research was provided by:
CONICYT (1171037)
ANID (1201987)
Article History
Received: 11 February 2021
Accepted: 26 July 2021
First Online: 11 August 2021
Declarations
:
: In order for the study to be carried out, permission was obtained the Ethics Committee of Bío-Bío University.Informed consent was obtained from all individual participants included in the study. Participation in the study was voluntary, and written consent was obtained from the participants. The participants were informed verbally and in written form that they could withdraw from the study any time without giving any reason.
: ‘Not Applicable’.
: Juan Carlos Briede W. and Cristhian Pérez has received a research grant from the Chilean National Commission for Scientific and Technological Research (CONICYT). All other authors declare no competing interests.