Funding for this research was provided by:
Conicyt PAI Networks (Project PLU180009, REDES170151)
Chilean Government (2013-21592-1-INNOVA_ PRODUCCION2013-21592-1)
Text and Data Mining valid from 2020-04-29
Received: 22 July 2019
Accepted: 21 April 2020
First Online: 29 April 2020
: The authors declare that they have no competing interests.