1. Ph.D. Candidate, School of Property, Construction and Project Management, Royal Melbourne Institute of Technology, Melbourne, VIC 3000, Australia (corresponding author).
2. Professor of Construction, Head of School of Property, Construction and Project Management, Royal Melbourne Institute of Technology, Melbourne, VIC 3000, Australia.
3. Associate Professor, School of Property, Construction and Project Management, Royal Melbourne Institute of Technology, Melbourne, VIC 3000, Australia.
4. Assisstant Professor, Dept. of Civil and Architectural Engineering, City Univ. of Hong Kong, Kowloon, Hong Kong, China.