Pinheiro, Manuela
Pinto, Carla
Peixoto, Ana
Veiga, Isabel
Lopes, Paula
Henrique, Rui
Baldaia, Helena
Carneiro, Fátima
Seruca, Raquel
Tomlinson, Ian
Kovac, Michal
Heinimann, Karl
Teixeira, Manuel R
Article History
Received: 28 February 2015
Revised: 17 June 2015
Accepted: 25 June 2015
First Online: 6 August 2015
Competing interests
: The authors declare no conflict of interest.