1. Department of Agricultural and Resource Economics, College of Agriculture and Natural Resources; University of Connecticut; Storrs CT USA
2. Department of Economics, College of Business; University of Wisconsin-Oshkosh; Oshkosh WI USA
3. Department of Agricultural Economics, College of Agriculture and Life Sciences, and Department of Economics, College of Liberal Arts; Texas A&M University; College Station TX USA
4. Department of Health Services, School of Public Health, and Department of Economics, College of Arts and Sciences; University of Washington; Seattle WA USA