Pham, Christopher K.
Diogo, Hugo
Menezes, Gui
Porteiro, Filipe
Braga-Henriques, Andreia
Vandeperre, Frederic
Morato, Telmo
Article History
Received: 12 February 2014
Accepted: 31 March 2014
First Online: 29 April 2014
Competing interests
: The authors declare no competing financial interests.