1. Morrill Professor Emeritus, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011 (corresponding author). ORCID: .
2. Chang’an Scholar Professor, Dept. of Management Science and Engineering, School of Economics and Management, Chang’an Univ., Xi’an 710064, China.
3. Frederick Law Olmsted Professor, School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA 30332.
4. E. I. Clancy Distinguished Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695.