López-Begines, Santiago http://orcid.org/0000-0001-8809-8919
Plana-Bonamaisó, Anna
Méndez, Ana http://orcid.org/0000-0001-6393-1644
Article History
Received: 1 August 2017
Accepted: 26 January 2018
First Online: 13 February 2018
Competing Interests
: The authors declare no competing interests.