Pedregal-Mallo, Daniel http://orcid.org/0000-0001-8899-7957
Sánchez Canteli, Mario
López, Fernando
Álvarez-Marcos, César
Llorente, José Luis
Rodrigo, Juan Pablo
Article History
Received: 10 March 2018
Accepted: 29 May 2018
First Online: 5 June 2018
Compliance with ethical standards
:
: The authors declare no conflict of interest.