1. Professor, PhD, Dept. of Construction Engineering, School of Civil Engineering, Tsinghua Univ., Beijing 100084, China; Director, (Tsinghua Univ.-Gammon Skanska). Construction Safety Research Center.
2. Senior Safety Engineer, PhD, Intel Products (Shanghai) Ltd., PD2-II-O6, Shanghai, China; formerly, PhD Candidate, College of Design, Construction and Planning, Univ. of Florida, Gainesville, FL 32611-5701.
3. Professor, College of Design, Construction and Planning, Univ. of Florida, Gainesville, FL 32611-5701.