Santana-Falcón, Yeray http://orcid.org/0000-0002-2627-1947
Álvarez-Salgado, Xosé Antón
Pérez-Hernández, María Dolores http://orcid.org/0000-0001-7293-9584
Hernández-Guerra, Alonso
Mason, Evan http://orcid.org/0000-0002-2283-6285
Arístegui, Javier
Article History
Received: 26 April 2017
Accepted: 14 August 2017
First Online: 31 August 2017
Competing Interests
: The authors declare that they have no competing interests.