1. Ergonomics Laboratory, FMH/Technical University of Lisbon, Estrada da Costa, 1499-002 Cruz Quebrada, Dafundo, Portugal
2. UNIDCOM/IADE – Institute of Arts, Design and Marketing, Av. D. Carlos I, 4, 1600-649 Lisbon, Portugal
3. CIPER – Interdisciplinary Center for the Study of Human Performance, Technical University of Lisbon, Estrada da Costa, 1499-002 Cruz Quebrada, Dafundo, Portugal
4. Mathematics Unit, FMH/Technical University of Lisbon, Estrada da Costa, 1499-002 Cruz Quebrada, Dafundo, Portugal