1. Department of Building and Real Estate, Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
2. Department of Building Technology, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
3. School of Engineering, Environment and Computing, Coventry University, Coventry CV3 1NZ, United Kingdom
4. School of Engineering and Construction Management, Western Sydney University, Penrith (Kingswood), Australia