1. Professor, M. E. Rinker, Sr. School of Construction Management, Univ. of Florida, 331 Architectural Building, Gainesville, FL 32611 (corresponding author).
2. Graduate Student, M. E. Rinker, Sr. School of Construction Management, Univ. of Florida, 304 Rinker Hall, Gainesville, FL 32611.
3. Professor, M. E. Rinker, Sr. School of Construction Management, Univ. of Florida, 304 Rinker Hall, Gainesville, FL 32611.
4. Associate Professor, School of Management, Guangzhou Univ., 230 Daxuecheng Outer Ring W Rd., Panyu Di, Guangzhou 510006, China.