1. University of Michigan School of Public Health, Ann Arbor, Michigan, USA
2. School of Medicine, University of California Davis, Davis, California, USA
3. University of Michigan Taubman College of Architecture and Urban Planning, Ann Arbor, Michigan, USA
4. Georgia Institute of Technology School of City and Regional Planning, Atlanta, Georgia, USA
5. University of Michigan Institute for Social Research, Ann Arbor, Michigan, USA
6. School of Information and Computer Science, University of California Irvine, Irvine, California, USA