García‐Rellán, José Emmanuel https://orcid.org/0000-0003-2112-6553
Sánchez‐Alepuz, Eduardo
Mudarra‐García, Jesús
Article History
Received: 7 September 2017
Accepted: 1 June 2018
First Online: 12 June 2018
Compliance with ethical standards
:
: The authors report no conflict of interest.
: The present study has been approved by the ethics committees of the two hospitals involved, according to the Helsinki declaration of 1964.