1. State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Strait Collaborative Innovation Center of Biomedicine and Pharmaceutics, School of Public Health, Xiamen University, Xiamen 361102, Fujian, China
2. Liuzhou Center for Disease Control and Prevention, Liuzhou 545027, Guangxi, China
3. Policy Coordination Division, China National Center for Biotechnology Development, Beijing 100039, China
4. Centre for Vaccine Clinical Research, Guangxi Center for Disease Control and Prevention, Nanning 530028, Guangxi, China