Pereira, Edgar
do Quental, Letícia
Palma, Elisa
Oliveira, Maria Cristina
Mendes, Filipa
Raposinho, Paula
Correia, Isabel
Lavrado, João
Di Maria, Salvatore
Belchior, Ana
Vaz, Pedro
Santos, Isabel
Paulo, António
Article History
Received: 25 October 2016
Accepted: 9 January 2017
First Online: 13 February 2017
Competing interests
: The authors declare no competing financial interests.