Goicoechea, Marian
de Vinuesa, Soledad García
Quiroga, Borja
Verde, Eduardo
Bernis, Carmen
Morales, Enrique
Fernández-Juárez, Gema
de Sequera, Patricia
Verdalles, Ursula
Delgado, Ramón
Torres, Alberto
Arroyo, David
Abad, Soraya
Ortiz, Alberto
Luño, José
Article History
First Online: 8 June 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments.