1. Assistant Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 970-373-7789 (corresponding author).
2. Beavers Endowed Professor of Construction Engineering and Associate Chair, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Colorado, Boulder, CO.
3. Professor, School of Property, Project, and Construction Management, RMIT Univ., GPO Box 2476, Melbourne, VIC 3001, Australia.
4. Director, Center for Innovation in Construction Safety and Health, Virginia Tech; and Professor of Industrial and Systems Engineering, Blacksburg, VA 24061.