Silva, Jorge http://orcid.org/0000-0002-8165-4043
Canão, Pedro
Espinheira, Maria Céu
Trindade, Eunice
Carneiro, Fátima
Dias, Jorge Amil
Article History
Received: 26 March 2018
Revised: 3 June 2018
Accepted: 1 July 2018
First Online: 10 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.