Shani C. Taylor, MHS1, Alison M. Pilsner, MPH, CPH, CHES
2, Ami L. Bahde, MPH
3, Yvonne M. Hunt, PhD, MPH
1 and Erik M. Augustson, PhD, MPH
1, 1Tobacco Control Research Branch, BRP, DCCPS, National Cancer Institute, Bethesda, MD, 2Health and Clinical Services Division, DB Consulting Group, Inc, Silver Spring, MD, 3Clinical Monitoring Research Program, SAIC-Frederick, Inc, Bethesda, MD