Castro, Joana
Alves, Patrícia
Sousa, Cármen
Cereija, Tatiana
França, Ângela
Jefferson, Kimberly K.
Cerca, Nuno
Article History
Received: 30 November 2014
Accepted: 28 May 2015
First Online: 26 June 2015
Competing interests
: The authors declare no competing financial interests.