Implementation of a Multimodal Mobile System for Point-of-Sale Surveillance: Lessons Learned From Case Studies in Washington, DC, and New York City

Jennifer Cantrell   ^{1, 2} , DrPH,MPA ;   Ollie Ganz   ^{1, 3} , MSPH ;   Vinu Ilakkuvan   ^{1, 3} , MSPH ;   Michael Tacelosky   ⁴ ;   Jennifer Kreslake   ² , PhD,MPH ;   Joyce Moon-Howard   ⁵ , DrPH,MPH ;   Angela Aidala   ⁶ , PhD ;   Donna Vallone   ^{1, 5} , PhD,MPH ;   Andrew Anesetti-Rothermel   ⁷ , PhD ;   Thomas R. Kirchner   ^{2, 5, 8} , PhD

¹ Truth Initiative, Evaluation Science and Research, Washington, DC, United States

² Department of Health, Behavior, and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States

³ Department of Prevention and Community Health, George Washington University Milken Institute School of Public Health, Washington, DC, United States

⁴ Survos LLC, Washington, DC, United States

⁵ College of Global Public Health, New York University, New York, NY, United States

⁶ Department of Sociomedical Sciences, Columbia University Mailman School of Public Health, New York, NY, United States

⁷ Steven A Schroeder Institute for Tobacco Research and Policy Studies, Truth Initiative, Washington, DC, United States

⁸ Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, NY, United States