Ramos, Raül
Ramírez, Iván
Paiva, Vitor H.
Militão, Teresa
Biscoito, Manuel
Menezes, Dília
Phillips, Richard A.
Zino, Francis
González-Solís, Jacob
Article History
Received: 30 September 2015
Accepted: 3 March 2016
First Online: 22 March 2016
Competing interests
: The authors declare no competing financial interests.