1. John Curtin School of Medical Research, The Australian National University, Canberra, Australian Capital Territory, Australia
2. Department of Microbiology and Immunology, University of Melbourne, The Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
3. Monash Biomedicine Discovery Institute and Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
4. Institute for Virology, Düsseldorf University Hospital, Heinrich Heine University, Düsseldorf, Germany