Funding for this research was provided by:
Consejería de Economía, Innovación, Ciencia y Empleo, Junta de Andalucía (CVI-6653)
Text and Data Mining valid from 2019-04-10
Received: 10 August 2018
Revised: 21 March 2019
Accepted: 28 March 2019
First Online: 10 April 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: We conducted the study following all relevant Spanish national (Decreto 105/2011, 19 de Abril) and regional guidelines. Ethical approval for this study was not required.