Correia, Clara R.
Pirraco, Rogério P.
Cerqueira, Mariana T.
Marques, Alexandra P.
Reis, Rui L.
Mano, João F.
Article History
Received: 20 October 2015
Accepted: 11 January 2016
First Online: 24 February 2016
Competing interests
: The authors declare no competing financial interests.