Fuentes-López, Eduardo http://orcid.org/0000-0002-0141-0226
Fuente, Adrian
Valdivia, Gonzalo
Luna-Monsalve, Manuel
Article History
Received: 23 January 2019
Accepted: 27 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: The study protocol was approved by this hospital’s ethics committee and by the Scientific Ethics Committee from the Pontificia Universidad Católica de Chile, Santiago, Chile (N°16–324). Before beginning the study, all participants signed an informed consent form.
: Not applicable
: The authors declare that they have no competing interests.