Csendes, Attila https://orcid.org/0000-0002-7524-8057
Burgos, Ana María
Martinez, Gustavo
Figueroa, Manuel
Castillo, Jaime
Díaz, Juan Carlos
Article History
First Online: 28 June 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All individuals participating in this study gave their informed consent.
: All procedures performed in human participants were in accordance with the Institution and Ministerial Committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.