Hernández-Hernández, Miguel Ángel http://orcid.org/0000-0002-7907-0639
Marco de Lucas, Enrique
Muñoz-Esteban, Cristina
Hernández, José Luis
Fernández-Torre, José Luis
Article History
Received: 2 February 2019
Revised: 21 April 2019
Accepted: 23 April 2019
First Online: 2 May 2019
Compliance with ethical standards
:
: The authors declare that this research has been approved by the appropriate ethics committee and has, therefore, been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. Spanish laws have been observed, too.
: On behalf of all authors, the corresponding author states that there is no conflict of interest.