Funding for this research was provided by:
Ministerio de Economía y Competitividad (CTQ2017-83175R)
Text and Data Mining valid from 2019-04-08
Received: 14 January 2019
Revised: 2 March 2019
Accepted: 20 March 2019
First Online: 8 April 2019
Compliance with ethical standards
: Informed consent was obtained from all individual participants involved in the study. The study has been approved by the appropriate ethics committee (Comité de Ética de la Investigación de Córdoba) and has been performed in accordance with the ethical standards.
: The authors declare that they have no conflicts of interest.