Henriques, Ana Gabriela
Müller, Thorsten
Oliveira, Joana Machado
Cova, Marta
da Cruz e Silva, Cristóvão B.
da Cruz e Silva, Odete A. B.
Article History
Received: 16 February 2016
Accepted: 4 July 2016
First Online: 28 July 2016
Competing interests
: The authors declare no competing financial interests.