1. School of Chemistry and Bio21 Molecular Science and Biotechnology Institute; University of Melbourne; Parkville Victoria 3010 Australia
2. Department of Microbiology and Immunology; Peter Doherty Institute for Infection and Immunity; University of Melbourne; Parkville Victoria 3010 Australia
3. Infection and Immunity Program, Department of Biochemistry and Molecular Biology; Biomedicine Discovery Institute; Monash University; Clayton VIC 3800 Australia
4. Australian Research Council Centre of Excellence for Advanced Molecular Imaging; University of Melbourne; Parkville Victoria 3010 Australia
5. Division of Chemistry and Structural Biology; Institute for Molecular Bioscience; The University of Queensland; Brisbane Queensland 4072 Australia
6. Australian Research Council Centre of Excellence for Advanced Molecular Imaging; The University of Queensland; Brisbane Queensland 4072 Australia
7. Division of Rheumatology, Immunology and Allergy; Brigham and Women's Hospital; Harvard Medical School; Boston MA 02115 USA
8. Department of Infectious Diseases and Immunology; School of Veterinary Medicine; University of Utrecht; The Netherlands
9. Australian Research Council Centre of Excellence for Advanced Molecular Imaging; Monash University; Clayton Victoria 3800 Australia
10. Institute of Infection and Immunity; Cardiff University School of Medicine; Cardiff CF14 4XN UK