1. Department of Civil and Infrastructure Engineering, School of EngineeringRMIT University Melbourne VIC 3001 Australia
2. Faculty of Integrated TechnologiesUniversiti Brunei Darussalam, Jalan Tungku Link Gadong BE1410 Brunei Darussalam
3. School of lnformation, Systems and ModellingFaculty of Engineering and Information Technology, University of Technology Sydney NSW 2007 Australia
4. Research Centre for Nanomaterials and Energy Technology (RCNMET)School of Science and Technology, Sunway University, No. 5, Jalan University, Bandar Sunway Petaling Jaya 47500 Malaysia
5. Department of EngineeringLancaster University Lancaster LA1 4YW UK