Received: 7 April 2020
Accepted: 12 March 2021
First Online: 1 April 2021
: The Scientific Council of University Finis Terrae approved the research (Nº21/2017) (58076/14-11-2018). All the participants gave written consent.
: All the participants gave written consent for the publication of data.
: The authors, Ignacio Orizola-Cáceres, Hugo Cerda-Kohler, Carlos Burgos-Jara, Roberto Meneses-Valdes, Rafael Gutierrez-Pino, and Carlos Sepúlveda, declare that they have no competing interests.