Institution: | 1. Department of Epidemiology, School of Public Health, West Virginia University, Morgantown, West Virginia;2. Injury Control Research Center, West Virginia University, Morgantown, West Virginia;3. Department of Social Medicine/Center for Tobacco Control Research, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China;4. Department of Political Science and Sociology, Murray State University, Murray, Kentucky |