1. Professor, School of Management Science & Real Estate, Chongqing Univ., No. 174, Shazheng St., Shapingba District, Chongqing 400045, P.R. China; Researcher, International Research Center for Sustainable Built Environment, Chongqing Univ., No. 174, Shazheng St., Shapingba District, Chongqing 400045, P.R. China (corresponding author).,
2. Master Student, School of Management Science & Real Estate, Chongqing Univ., No. 174, Shazheng St., Shapingba District, Chongqing 400045, P.R. China.