Sanches, João Miguel
Figueiredo, Joana
Fonseca, Martina
Durães, Cecília
Melo, Soraia
Esménio, Sofia
Seruca, Raquel
Article History
Received: 20 May 2014
Revised: 23 September 2014
Accepted: 1 October 2014
First Online: 12 November 2014
Competing interests
: The authors declare no conflict of interests.