1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Faculty of Engineering, Univ. of Auckland, 20 Symonds St., CBD, Private Bag 92019, Auckland 1142, New Zealand (corresponding author).
2. Lecturer, Dept. of Civil and Environmental Engineering, Faculty of Engineering, Univ. of Auckland, 20 Symonds St., CBD, Private Bag 92019, Auckland 1142, New Zealand.
3. Professor of Timber Design, Dept. of Civil and Environmental Engineering, Faculty of Engineering, Univ. of Auckland, 20 Symonds St., CBD, Private Bag 92019, Auckland 1142, New Zealand.