Gutierrez, Francisco J.
Ochoa, Sergio F.
Funding for this research was provided by:
CONICYT Chile (1150252)
Article History
Received: 26 November 2019
Accepted: 28 March 2020
First Online: 1 May 2020
Compliance with ethical standards
: The study design has been approved on ethical grounds by the Research Ethics Board of the Faculty of Physical and Mathematical Sciences of the University of Chile.