Rodrigues, Manuel Ângelo http://orcid.org/0000-0002-5367-1129
Grade, Vagner
Barroso, Valdemar
Pereira, Abel
Cassol, Luís César
Arrobas, Margarida http://orcid.org/0000-0002-4652-485X
Article History
Received: 5 July 2019
Accepted: 16 October 2019
First Online: 1 November 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.