Queirós, João http://orcid.org/0000-0002-3633-7217
Alves, Paulo Célio http://orcid.org/0000-0003-4797-0939
Vicente, Joaquín
Gortázar, Christian
de la Fuente, José
Article History
Received: 27 May 2016
Accepted: 12 January 2018
First Online: 31 January 2018
Competing Interests
: The authors declare that they have no competing interests.