Vaz, Sofia Carrilho http://orcid.org/0000-0003-4229-9349
Capacho, Ana Sofia
Oliveira, Francisco P. http://orcid.org/0000-0001-9468-8894
Gil, Nuno
Teixeira Barros, Carla
Parreira, António
Costa, Durval C. http://orcid.org/0000-0001-8039-4924
Article History
Received: 10 September 2018
Accepted: 8 October 2018
First Online: 30 October 2018
Compliance with ethical standards
:
: F. P. Oliveira, N. Gil, C. Barros and A. Parreira declare no conflict of interest.
: Not applicable. This is a literature review. This article does not contain any studies with human participants or animals performed by any of the authors.
: Not applicable.