Article History
Received: 12 October 2018
Revised: 24 January 2019
Accepted: 19 March 2019
First Online: 30 March 2019
Compliance with ethical standards
:
: Alejandro Diaz, Yanina Zocalo, and Daniel Bia declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.
: Informed consent was obtained from all patients for being included in the study.