López del Amo González, M. Puerto
Benítez, Vivian
Martín-Martín, José J.
Funding for this research was provided by:
Health Department. Andalusian Board (PI-0682-2012)
Universidad de Granada (Research Aid Program of the Faculty of Economics and Business Sciences for the revision of scientific texts)
Article History
Received: 17 April 2017
Accepted: 20 December 2017
First Online: 15 January 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.