Silva, Gonçalo http://orcid.org/0000-0001-6700-6720
Cunha, Regina L. http://orcid.org/0000-0002-4275-9723
Ramos, Ana
Castilho, Rita
Article History
Received: 31 January 2017
Accepted: 26 April 2017
First Online: 6 June 2017
Competing Interests
: The authors declare that they have no competing interests.