Gallardo, Alberto http://orcid.org/0000-0002-2514-2027
Garcia-Valdecasas, Barbara
Murata, Paola
Teran, Rolando
Lopez, Laura
Barnadas, Agusti
Lerma, Enrique
Article History
Received: 22 August 2017
Accepted: 23 August 2017
First Online: 1 September 2017
Compliance with ethical standards
:
: The authors declare they have no conflicts of interest.
: The study was conducted according to the Declaration of Helsinki principles following approval from the local ethics committee.