Monteiro, S http://orcid.org/0000-0002-3037-9635
Ferreira, F M
Pinto, V
Roque, S http://orcid.org/0000-0002-6512-996X
Morais, M
de Sá-Calçada, D
Mota, C
Correia-Neves, M
Cerqueira, J J
Article History
Received: 29 September 2015
Accepted: 5 October 2015
First Online: 5 January 2016
Competing interests
: The authors declare no conflict of interest.