1. Graduate Student, Dept. of Construction Management and Engineering, North Dakota State Univ., Dept. 2475, P.O. Box 6050, Fargo, ND 58108.
2. Postdoctoral Research Associate, School for Engineering of Matter, Transport and Energy, Arizona State Univ., Tempe, AZ 85287.
3. Assistant Professor, Dept. of Construction Management and Engineering, North Dakota State Univ., Dept. 2475, P.O. Box 6050, Fargo, ND 58108 (corresponding author).