1. Department of City and Regional Planning, Cornell University, Ithaca, NY 14853
2. Edward J. Bloustein School of Planning and Public Policy, Rutgers University, New Brunswick, NJ 08901
3. Department of Urban Planning and Policy, University of Illinois Chicago, Chicago, IL 60607
4. Department of Civil, Materials and Environmental Engineering, University of Illinois Chicago, Chicago, IL 60607
5. School of Civil Engineering, University of Sydney, Sydney, NSW 2006, Australia