1. State Key Laboratory of Vaccines for Infectious Diseases, National Institute of Diagnostics and Vaccine Development in Infectious Diseases, School of Life Sciences & School of Public Health Xiamen University Xiamen Fujian China
2. Clinical Center for Bio‐Therapy, Zhongshan Hospital Fudan University (Xiamen Branch) Xiamen Fujian China
3. State Key Laboratory of Emerging Infectious Diseases, School of Public Health, Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong SAR China