Vitorino, Miguel V http://orcid.org/0000-0002-6821-4481
Vieira, Arthur
Rodrigues, Mario S http://orcid.org/0000-0002-0468-1910
Article History
Received: 17 January 2017
Accepted: 9 May 2017
First Online: 16 June 2017
Competing Interests
: The authors declare that they have no competing interests.