1. Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control Nanning China
2. Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control Institute of Nutrition and School Health Nanning China
3. University of Minnesota Center for Global Health and Social Responsibility Minneapolis Minnesota USA
4. Rutgers University Institute for Health, Health Care Policy and Aging Research Rutgers University Rutgers New Jersey USA
5. University of Minnesota School of Nursing Minneapolis Minnesota USA