[1] Univ Hong Kong, Fac Architecture, Dept Real Estate & Construct, Pokfulam, Hong Kong, Peoples R China
[2] Kwame Nkrumah Univ Sci & Technol, Dept Construct Technol & Management, Kumasi, Ghana
[3] Birmingham City Univ, Dept Built Environm, Birmingham, England
[4] Univ South Africa, Dept Civil Engn, Pretoria, South Africa
[5] Hong Kong Polytech Univ, Dept Bldg & Real Estate, Hung Hom, Hong Kong, Peoples R China
[6] Univ Hong Kong, Fac Architecture, Dept Real Estate & Construct, Pokfulam, Hong Kong, Peoples R China