1. Associate Professor, Dept. of Civil Engineering, Aalborg Univ., Thomas Manns Vej 23, Aalborg 9220, Denmark (corresponding author).
2. Assistant Professor, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, Riad El Solh, Beirut 1107 2020, Lebanon.
3. Senior Lecturer, Dept. of Civil and Environmental Engineering, Univ. of Auckland, 20 Symonds St., Auckland 1010, New Zealand.
4. Professor, Dept. of Engineering, Aarhus Univ., Inge Lehmanns Gade 10, Aarhus 8000, Denmark.
5. Associate Professor, Dept. of Civil Engineering, Aalborg Univ., Thomas Manns Vej 23, Aalborg 9220, Denmark.