1. DICATeA; University of Parma; 43124 Parma Parco Area delle Scienze 181/A Italy
2. Cervenka Consulting; Prague
3. Faculty of Civil Engineering and Geosciences; Delft University of Technology; 2628 Delft CN Stevinweg 1 The Netherlands
4. Department of Structural Engineering; Norwegian University of Science and Technology; 7491 Trondheim Rich. Birkelandsvei 1A Norway