Gomes, J R
Nogueira, RS
Vieira, M
Santos, SD
Ferraz-Nogueira, J P
Relvas, J B
Saraiva, M J
Article History
Received: 17 March 2016
Revised: 3 June 2016
Accepted: 8 June 2016
First Online: 12 August 2016
Competing interests
: The authors declare no conflict of interest.