1. Assistant Professor, School of Public Health, Georgia State University, Atlanta, GA;, Email: lpopova1@gsu.edu
2. Senior Research Scientist, RTI International, Center for Health Policy Science and Tobacco Research, Research Triangle Park, NC
3. Economist, RTI International, Center for Health Policy Science and Tobacco Research, Research Triangle Park, NC
4. Senior Social Scientist, RTI International, Center for Health Policy Science and Tobacco Research, Research Triangle Park, NC