1. Swiss Tropical and Public Health Institute, Basel, Switzerland
2. University of Basel, Basel, Switzerland
3. Sonoma Technology, Inc., Petaluma, California, USA
4. Spatial Sciences Institute, and
5. Program for Environmental and Regional Equity, University of Southern California, Los Angeles, California, USA
6. Resource Economics and Center for Public Policy and Administration, University of Massachusetts–Amherst, Amherst, Massachusetts, USA
7. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, USA