1. GECAD, Superior Institute of Engineering of Porto, Polytechnic of Porto, Portugal and
ALGORITMI/LASI, University of Minho, Portugal
2. GECAD/LASI, Superior Institute of Engineering of Porto, Polytechnic of Porto, Portugal
3. ALGORITMI/LASI, University of Minho, Portugal
4. GECAD, Superior Institute of Engineering of Porto, Polytechnic of Porto, Portugal