1. Department of Gastroenterology, St Vincent’s Hospital Melbourne, Melbourne, Victoria, Australia
2. Immunology Research Centre, Department of Medicine (St Vincent’s Hospital), The University of Melbourne, Melbourne, Victoria, Australia
3. Victorian Infectious Diseases Reference Laboratory, Royal Melbourne Hospital, Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia
4. Department of Public Health, La Trobe University, Melbourne, Victoria, Australia
5. Gastroenterology & Hepatology Unit, Monash Health, Melbourne, Victoria, Australia
6. Monash University, Melbourne, Victoria, Australia
7. Department of Gastroenterology and Hepatology, Liverpool Hospital, Sydney, Australia
8. Department of Gastroenterology, Alfred Health, Melbourne, Victoria, Australia
9. Central Clinical School, Monash University, The Alfred Centre, Melbourne, Victoria, Australia
10. Gastroenterology Department of Eastern Health, Melbourne, Victoria, Australia
11. AW Morrow Gastroenterology and Liver Centre, Royal Prince Alfred Hospital, Sydney, Australia
12. University of Sydney, Sydney, Australia
13. Department of Gastroenterology, Concord Repatriation General Hospital, Sydney, Australia
14. Department of Gastroenterology and Hepatology, Austin Health, Melbourne, Victoria, Australia
15. Department of Gastroenterology, Bankstown-Lidcombe Hospital, Sydney, Australia
16. Department of Infectious Disease, St Vincent’s Hospital Sydney, Sydney, Australia
17. Roche Molecular Systems, Inc., Pleasanton, California, USA
18. Roche Diagnostics, Pty Ltd, North Ryde, Australia