Funding for this research was provided by:
Fondo de Fomento al Desarrollo Científico y Tecnológico (D10I1007)
Received: 26 December 2019
Accepted: 9 April 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: As a supplementary file, we have attached the ethical approval by the Ethical Committee of the Faculty of Medicine of the University of Chile (078-20110) along with the informed consent document.
: No individual data is included in this manuscript.
: The authors declare that they have no competing interests.