1. School of Civil Engineering The University of Sydney Sydney NSW 2006 Australia
2. ISISE, Department of Civil Engineering University of Coimbra, Rua Luís Reis Santos 3030‐788 Coimbra Portugal
3. CEris, Instituto Superior Técnico University of Lisbon, Av. Rovisco Pais 3030‐788 Coimbra Portugal
4. Polytechnic Institute of Coimbra Rua Pedro Nunes Quinta da Nora 3030‐199 Coimbra Portugal
5. CEPAC, Universidade do Algarve Campus de Gambelas 8005‐139 Faro Portugal