Formiga, Francesc
Chivite, David
Salvatori, Marta
Moreno-Gonzalez, Rafael
Ariza, Albert
Corbella, Xavier
Article History
Received: 9 January 2018
Accepted: 24 March 2018
First Online: 9 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study conformed to the principles outlined in the Declaration of Helsinki and the ethics committee of the Bellvitge Universitari Hospital approved the overall protocol [PR2016/16].
: For this type of study formal consent is not required.