How to Identify e-Cigarette Brands Available in the United States During 2020-2022: Development and Usability Study

Shaoying Ma   ^{1 *} , PhD ;   Aadeeba Kaareen   ^{1 *} , BSocSci ;   Hojin Park   ¹ , PhD ;   Yanyun He   ¹ , PhD ;   Shuning Jiang   ² , BS ;   Zefeng Qiu   ² , MS ;   Zidian Xie   ³ , PhD ;   Dongmei Li   ³ , PhD ;   Jian Chen   ² , PhD ;   Richard J O’Connor   ⁴ , PhD ;   Geoffrey T Fong   ^{5, 6, 7} , PhD ;   Ce Shang   ^{1, 8} , PhD

¹ Center for Tobacco Research, The Ohio State University Wexner Medical Center, Columbus, OH, United States

² Department of Computer Science and Engineering, The Ohio State University, Columbus, OH, United States

³ Department of Clinical and Translational Research, University of Rochester Medical Center, Rochester, NY, United States

⁴ Department of Health Behavior, Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States

⁵ Department of Psychology, University of Waterloo, Waterloo, ON, Canada

⁶ School of Public Health Sciences, University of Waterloo, Waterloo, ON, Canada

⁷ Ontario Institute for Cancer Research, Toronto, ON, Canada

⁸ Department of Internal Medicine, Division of Medical Oncology, The Ohio State University Wexner Medical Center, Columbus, OH, United States

*these authors contributed equally