Gomes, Jorge http://orcid.org/0000-0003-0656-9284
Romão, Mário
Article History
Received: 25 October 2017
Accepted: 9 October 2018
First Online: 16 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. For this type of study formal consent is not required.