1. Department of Health Policy and Management, College of Public Health University of Georgia Athens Georgia USA
2. School of Economics, Faculty of Humanities and Social Sciences University of Nottingham Ningbo China Ningbo China
3. National Center for Chronic Disease Prevention and Health Promotion U.S. Centers for Disease Control and Prevention Atlanta Georgia USA
4. Policy Research, Analysis, and Development Office, Office of the Associate Director for Policy and Strategy U.S. Centers for Disease Control and Prevention Atlanta Georgia USA