1. Professor, Dept. of Building, National Univ. of Singapore, 4 Architecture Dr., Singapore 117566 (corresponding author). ORCID: .
2. Quantity Surveyor, WT Partnership, #15-06, 18 Cross St., Singapore 048423.
3. Assitant Professor, Dept. of Architecture and Civil Engineering, City Univ. of Hong Kong, Hong Kong SAR.
4. Research Assistant, Dept. of Building, National Univ. of Singapore, 4 Architecture Dr., Singapore 117566.
5. Ph.D. Candidate, Dept. of Architecture and Civil Engineering, City Univ. of Hong Kong, Hong Kong SAR.