Andreia Craveiro
(1), Vanda Lima
(2), Gilberto Santos
(3), José Carlos Sá
(4), Miguel Lopes
(5), José Dinis Carvalho
(6)
(1)
Polytechnic of Porto, Portugal,
(2)
Polytechnic of Porto, Portugal,
(3)
Polytechnic Institute of Cávado Ave (IPCA), Portugal,
(4)
Polytechnic of Porto, Portugal,
(5)
Polytechnic of Porto, Portugal,
(6)
University of Minho, Portugal