1. Institute for Systems Engineering and Computers of Coimbra, Coimbra, Portugal
2. Research Centre for Territory, Transports and Environment, Coimbra, Portugal
3. Department of Sciences and Technology, Open University, Lisbon, Portugal
4. Department of Civil Engineering, University of Coimbra, Coimbra, Portugal
5. Department of Civil Engineering, Coimbra Polytechnic–Instituto Superior de Engenharia de Coimbra, Coimbra, Portugal