1. Assistant Professor, Building Information Modeling (BIM) Laboratory, Dept. of Real Estate and Construction, The Univ. of Hong Kong.
2. Ph.D. Candidate, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, P.R. China (corresponding author).
3. Professor, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ.