1. Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina – Chapel Hill, Chapel Hill, North Carolina, USA
2. School of Urban and Environmental Engineering, Ulsan National Institute of Science and Technology, Ulsan, Korea
3. Department of City and Regional Planning, University of North Carolina – Chapel Hill, Chapel Hill, North Carolina, USA
4. Department of City and Regional Planning, University of California Berkeley, Berkeley, California, USA
5. RAND Corporation, Santa Monica, California, USA