1. Center for Health Policy Science and Tobacco Research, RTI International, Washington, DC, USA
2. Center for Health Policy Science and Tobacco Research, RTI International, Research Triangle Park, NC, USA
3. Center for Communication Science, RTI International, Research Triangle Park, NC, USA
4. Social & Health Organizational Research & Evaluation, RTI International, Atlanta, GA, USA
5. Kansas Health Foundation, Wichita, KS, USA
6. Schroeder Institute at Truth Initiative, Washington, DC, USA
7. Center for Health Policy Science and Tobacco Research, RTI International, San Francisco, CA, USA