Dores, Hélder http://orcid.org/0000-0002-4736-5221
Mendes, Lígia
Dinis, Paulo
Cardim, Nuno
Monge, José Carlos
Santos, José Ferreira
Article History
Received: 19 May 2018
Accepted: 10 July 2018
First Online: 14 July 2018
Compliance with ethical standards
:
: The authors declared that they have no conflict of interest.