**Author details**

Ina Vertommen1,2, Roberto Magini2\*, Maria da Conceição Cunha1 and Roberto Guercio2

\*Address all correspondence to: roberto.magini@uniroma1.it

1 Department of Civil Engineering, University of Coimbra, Coimbra, Portugal

2 Department of Civil, Building and Environmental Engineering, La Sapienza University of Rome, Rome, Italy
