1 Clinical Links Using Evidence-based Data (CLUED) Pty Ltd, Sydney, New South Wales, Australia. Electronic address: guy.eslick@sydney.edu.au.
2 Helicobacter Research Laboratory, School of Pathology and Laboratory Medicine, Marshall Centre for Infectious Diseases Research and Training, University of Western Australia, Perth, Australia. Electronic address: alfred.tay@uwa.edu.au.
3 School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, Australia. Electronic address: l.zhang@unsw.edu.au.
4 Helicobacter Research Laboratory, School of Pathology and Laboratory Medicine, Marshall Centre for Infectious Diseases Research and Training, University of Western Australia, Perth, Australia; Marshall Laboratory of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen, Guangdong Province, China; Marshall International Digestive Diseases Hospital, Zhengzhou University, Zhengzhou, Henan Province, China. Electronic address: barry.marshall@uwa.edu.au.