1. Construction Virtual Prototyping Lab., Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong (corresponding author).
2. Professor, Construction Virtual Prototyping Lab., Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.
3. Professor, Faculty of Built Environment and Engineering, Queensland Univ. of Technology, Gardens Point, Brisbane L404, Australia.