Peña Cantero, Álvaro L.
Article History
Received: 9 May 2017
Revised: 22 February 2018
Accepted: 26 February 2018
First Online: 17 March 2018
Compliance with ethical standards
:
: The author declares that he has no conflict of interest.
: All applicable international, national, and/or institutional guidelines for the care and use of animals were followed by the author.
: All necessary permits for sampling and observational field studies have been obtained by the author from the competent authorities and are mentioned in the acknowledgements, if applicable.