Silva, Andreia M.
Almeida, Maria I.
Teixeira, José H.
Maia, André F.
Calin, George A.
Barbosa, Mário A.
Santos, Susana G.
Article History
Received: 6 December 2016
Accepted: 5 April 2017
First Online: 10 May 2017
Competing Interests
: The authors declare that they have no competing interests.