1. Department of Structural Engineering; Norwegian University of Science & Technology (NTNU); Richard Birkelandsvei 1A 7491 Trondheim Norway
2. Division of Building & Construction; Danish Technological Institute (DTI); Gregersensvej 1 DK-2630 Taastrup Denmark
3. Department of Civil & Structural Engineering; Aalto University School of Engineering; Rakentajanaukio 4A 02150 Espoo Finland