1. Department of Civil and Environmental Engineering, The University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand
2. Department of Civil and Environmental Engineering, The University of Auckland, Private Bag 92019, Auckland 1061, New Zealand
3. School of Architecture (ScALA), Building 1, Carrington Road Mt Albert, UNITEC, Private Bag 92025, Auckland, New Zealand
4. Department of Civil Engineering, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand