1. Department of Geosciences, University of Arkansas, Fayetteville, AR, USA
2. Department of Geography, San Diego State University, San Diego, CA, USA
3. Urban Informatics & Spatial Computing Lab, Department of Informatics, New Jersey Institute of Technology, Newark, NJ, USA
4. School of Communication, San Diego State University, San Diego, CA, USA
5. Department of Linguistics, San Diego State University, San Diego, CA, USA
6. School of Public Health, San Diego State University, San Diego, CA, USA
7. College of Environment and Planning, Henan University, Kaifeng, People’s Republic of China
8. Department of Geography, Kent State University, Kent, OH, USA
9. Department of Computer Sciences, Kent State University, Kent, OH, USA