León, Xavier http://orcid.org/0000-0001-6286-630X
López, Montserrat
García, Jacinto
Casasayas, Maria
Rovira, Carlota
Quer, Miquel
Article History
Received: 16 March 2019
Accepted: 16 July 2019
First Online: 26 July 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional, regional and national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: For this type of study, formal consent is not required.