1. Community Health Research Division, RTI International, Research Triangle Park, NC, USA
2. Division for Heart Disease and Stroke Prevention, Centers for Disease Control and Prevention, Atlanta, GA, USA
3. Translational Health Sciences Division, RTI International, Research Triangle Park, NC, USA
4. Applied Research and Evaluation Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
5. Community Health Research Dvision, RTI International, Research Triangle Park, NC, USA