Espejo, Elena http://orcid.org/0000-0001-9018-7515
,
Andrés, Marta
Borrallo, Rosa-Maria
Padilla, Emma
Garcia-Restoy, Enric
Bella, Feliu
Article History
Received: 15 December 2017
Accepted: 14 February 2018
First Online: 26 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Institutional Review Board. Informed consent was waived because no intervention was involved and no identifying patient information was included. This study complies with the principles of the 1964 Helsinki Declaration and its later amendments.