1. Professor, Construction Engineering and Management Program Chair, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin–Madison, 2314 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706. E-mail: hanna@engr.wisc.edu
2. Research Fellow, Construction and Economy Research Institute of Korea, Construction Bldg. 71-2 Nonhyundong Kangnamgu, Seoul, 135-701, Korea. E-mail:ckchang@cerik.re.kr
3. Assistant Professor, Del E. Webb School of Construction, Arizona State Univ., P.O. Box 870204, Tempe, AZ 85287. E-mail: Kenneth.sullivan@asu.edu
4. Assistant Professor, Dept. of Engineering Professional Development, Univ. of Wisconsin–Madison, Room 825, 432 N. Lake St., Madison, WI 53706. E-mail: lackney@epd.engr.wisc.edu