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 PharmaceuticsSchool of Public Health, Xiamen University, Xiamen 361102, Fujian, China
2. Liuzhou Center for Disease Control and Prevention, Liuzhou 545027, Guangxi, China