1. Institute for Systems Engineering and Computers of Coimbra, Coimbra, Portugal
2. Department of Sciences and Technologies, Open University, Lisbon, Portugal
3. CITTA – Research Centre for Territory, Transports and Environment, Coimbra, Portugal
4. Department of Civil Engineering, University of Coimbra, Portugal
5. Department of Civil Engineering, University of Coimbra, Portugal (corresponding author: )
6. Department of Civil Engineering, Polytechnic Institute of Coimbra, Portugal