Ferreira, A C
Santos, T
Sampaio-Marques, B
Novais, A
Mesquita, S D
Ludovico, P
Bernardino, L
Correia-Neves, M
Sousa, N
Palha, J A
Sousa, J C
Marques, F
Article History
Received: 8 July 2016
Revised: 7 March 2017
Accepted: 16 March 2017
First Online: 9 May 2017
Competing interests
: The authors declare no conflict of interest.