1. Research Fellow, Dept. of Construction Management and Real Estate, School of Civil Engineering, Southeast Univ., Jiulonghu Campus, Nanjing, Jiangsu 210096, China (corresponding author). ORCID: .
2. Research Fellow, School of Management and Engineering, Nanjing Univ., Nanjing, Jiangsu 210093, China. ORCID:
3. Professor, Faculty of Civil and Environmental Engineering, Ruhr-Universität Bochum, Universitätsstraße 150, Bochum D-44780, Germany. ORCID: