1 Department of Environmental Science & Policy, University of California, 2104 Wickson Hall, One Shields Ave., Davis, CA, 95616, USA. [email protected].
2 School of Public Health, Georgia State University, P.O. Box 3965, Atlanta, GA, 30302-3965, USA.
3 Division of International Epidemiology and Population Studies, Fogarty International Center, National Institutes of Health, 31 Center Dr, MSC 2220, Bethesda, 20892-2220, Maryland, USA.
4 Mathematical, Computational & Modeling Sciences Center, School of Human Evolution and Social Change, Arizona State University, 900 S. Cady Mall, Tempe, AZ, 85287-2402, USA.
5 Department of Agricultural & Resource Economics, University of California, 2116 Social Sciences & Humanities, One Shields Ave., Davis, CA, 95616, USA.
6 Yale School of Forestry and Environmental Studies, 195 Prospect St., New Haven, CT, 06511, USA.