Funding for this research was provided by:
Secretaría de Educación Superior, Ciencia, Tecnología e Innovación
Received: 31 December 2019
Accepted: 6 October 2020
First Online: 17 October 2020
Ethics approval and consent to participate
: This study received ethical approval from Senescyt in 2012. All the Participants in this study gave signed informed consent for participation and were asked to verify in their native tongue that they understood the study design and were happy to proceed with participation.
: The authors of this study were all in agreeance for publication of this study, and the participants involved approved the participation in the distribution of the results.
: The authors declare no conflicts of interest.