Gamboa, A.
Duaso, E.
Marimón, P.
Sandiumenge, M.
Escalante, E.
Lumbreras, C.
Tarrida, A.
Article History
Received: 13 March 2018
Accepted: 25 June 2018
First Online: 3 August 2018
Compliance with ethical standards
: The study was performed following the principles of the Declaration of Helsinki, and the protocol was approved by the Ethics Committee of Bellvitge Hospital (PR197/13).
: None.