Ribeiro, Miguel
Nunes, Fernando M.
Guedes, Sofia
Domingues, Pedro
Silva, Amélia M.
Carrillo, Jose Maria
Rodriguez-Quijano, Marta
Branlard, Gérard
Igrejas, Gilberto
Article History
Received: 30 May 2015
Accepted: 11 November 2015
First Online: 22 December 2015
Competing interests
: The authors declare no competing financial interests.