1. Pasteur Institute, Viral Pathogenesis Unit, Paris, France.
2. Infection and Immunity Program and Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia.
3. ARC Centre of Excellence in Advanced Molecular Imaging, Monash University, Clayton, Victoria 3800, Australia.
4. Institute of Infection and Immunity, School of Medicine, Cardiff University, Cardiff CF14 4XN, UK.
5. INSERM, U1108, Paris, France.