Funding for this research was provided by:
Consejo Nacional de Innovación, Ciencia y Tecnología (Fondecyt 1171287)
Text and Data Mining valid from 2020-02-07
Received: 26 July 2019
Accepted: 24 January 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: Participants gave their informed consent to participate after being given information about the study.
: Not applicable.
: The authors declare that they have no competing interests.