1. Department of Urban & Regional Planning, University of Illinois at Urbana-Champaign, Champaign, IL, USA
2. Department of Urban & Regional Planning, Florida State University, Tallahassee, FL, USA
3. Department of City & Metropolitan Planning, University of Utah, Salt Lake City, UT, USA
4. Department of Regional and City Planning, University of Oklahoma, Norman, OK, USA
5. Stanford Prevention Research Center, Stanford University, Stanford, CA, USA