Resume
This work is cataloged in the Scientific Portal. Referenced as: "Dos Santos, Maria José Palma Lampreia; Mendes-Ribeiro, Mafalda; Marques, Isabel Andrés; Pereira, José Manuel Teixeira".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.5901/mjss.2015.v6n6s2p390