Marques, B.
Matoso, A. A.
Pimenta, W. M.
Gutiérrez-Esparza, A. J.
Santos, M. F.
Pádua, S.
Article History
Received: 19 May 2015
Accepted: 2 September 2015
First Online: 3 November 2015
Competing interests
: The authors declare no competing financial interests.