1. WHO Collaborating Centre for Reference and Research on Influenza at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
2. Biomedicine Discovery Institute and Department of Microbiology, Monash University, Victoria, Australia
3. School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
4. HKU-Pasteur Research Pole, School of Public Health, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
5. Department of Microbiology and Immunology, University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
6. Hoffmann-La Roche, Ltd., Basel, Switzerland