1. Department of Social Medicine and Health Management Xiangya School of Public Health Central South University Changsha China
2. The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital) Guangzhou China
3. Hunan Provincial Center for Disease Prevention and Control Changsha China
4. HIV/AIDS Research Institute The First Hospital of Changsha Changsha China
5. Hospital Administration Institute Xiangya Hospital Central South University Changsha China
6. The Jockey Club School of Public Health and Primary Care Faculty of Medicine The Chinese University of Hong Kong Hong Kong China