Sotelo, Sergio
Manterola, Carlos http://orcid.org/0000-0001-9213-2905
Otzen, Tamara
Morales, Erik
Castillo, Iván
Article History
Accepted: 4 April 2022
First Online: 30 April 2022
Declarations
:
: Subjects gave their written informed consent. This study protocol was reviewed and approved by Servicio de Salud del Maule Scientific Ethical Committee and approved in September 2018 (Code 046–0918).
: The authors declare no competing interests.