Andrea, Mafalda http://orcid.org/0000-0001-9995-7512
Andrea, Mario http://orcid.org/0000-0002-3769-5913
Figueira, Maria LuĂsa http://orcid.org/0000-0002-7921-5375
Article History
Received: 7 July 2018
Accepted: 31 July 2018
First Online: 16 August 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.