Santos, Rosário
Gonçalves, Ana
Oliveira, Jorge
Vieira, Emília
Vieira, José Pedro
Evangelista, Teresinha
Moreno, Teresa
Santos, Manuela
Fineza, Isabel
Bronze-da-Rocha, Elsa
Article History
Received: 12 February 2014
Revised: 2 June 2014
Accepted: 6 June 2014
First Online: 10 July 2014
Competing interests
: The authors declare no conflict of interest.