Pueyo-Sánchez, Maria-Jesús http://orcid.org/0000-0001-7895-7732
Larrosa, M.
Surís, X.
Sánchez-Ferrin, P.
Bullich-Marin, I.
Frigola-Capell, E.
Ortún, Vicente
Article History
Received: 18 September 2017
Accepted: 10 January 2018
First Online: 29 January 2018
Compliance with ethical standards
:
: All the authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the Department of Health of Catalonia and with the 1964 Helsinki declaration and its later amendements or comparable ethical standards.
: All the data were anonymised and used in an aggregated manner. So the informed consent was unnecessary.