1. Department of Microbiology, Monash University, Melbourne, Australia
2. Institut Pasteur, Unité de Pathogenèse de Helicobacter, Paris, France
3. Monash Micro Imaging, Monash University, Melbourne, Australia
4. Institut Pasteur, Unité de Pathogénie Bactérienne des Muqueuses, Paris, France
5. Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
6. School of Medicine, the University of Notre Dame, Sydney, Australia