1. School of Civil Engineering and Built Environment, Queensland University of Technology (QUT), Brisbane, Queensland, Australia;
2. Faculty of Architecture, Planning and Surveying, Universiti Teknologi MARA (UiTM), Sarawak Branch, Kota Samarahan, Sarawak, Malaysia;
3. Faculty of Architecture, Planning and Surveying, UiTM, Shah Alam, Selangor, Malaysia
4. School of Economics and Finance, QUT, Brisbane, Queensland, Australia;