Funding for this research was provided by:
Ministerio de Ciencia, Innovación y Universidades (SAF2017-86342-R)
Ministerio de Economía, Industria y Competitividad, Gobierno de España (SAF2014-54919-R)
National Comission for Scientific and Technological Research (Becas Chile)
Sherman Foundation (OTR02211)
Text and Data Mining valid from 2019-06-04
Received: 8 January 2019
Accepted: 27 May 2019
First Online: 4 June 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed involving human samples were in accordance with the ethical standards of our institution research ethic committee (Consejo Superior de Investigaciones Científicas, permit SAF2011-25608) and the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.