Serra-Aracil, X.
Zárate, A.
Mora, L.
Serra-Pla, S.
Pallisera, A.
Bonfill, J.
Bargalló, J.
Pando, A.
Delgado, S.
Balleteros, E.
Pericay, C.
Article History
Accepted: 26 February 2018
First Online: 16 March 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Not applicable.
: The study has been approved by the local ethics committees of the participating centers.