Funding for this research was provided by:
Fondo de Fomento al Desarrollo Científico y Tecnológico (1140173)
Semilleros de Investigacion - Universidad de Antofagasta (5303)
Instituto Millenium de Oceanografia (IC120019)
Text and Data Mining valid from 2019-10-30
Received: 16 November 2018
Accepted: 21 October 2019
First Online: 30 October 2019
Ethics approval and consent to participate
: This study was conducted under the protocol of the Ethical Commission of the Universidad de Antofagasta, Antofagasta, Chile.
: Not applicable.
: The authors declare that they have no competing interests.