1. Center for Translational Immunology, Chinese Academy of Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
2. MRC Human Immunology Unit, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
3. Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
4. Worldwide Influenza Centre, The Francis Crick Institute, London, United Kingdom
5. Division of Infectious Diseases, Department of Paediatrics, Chang Gung Memorial Hospital, Taoyuan, Taiwan
6. School of Medicine, Chang Gung University, Taoyuan, Taiwan