1. The University of Melbourne Department of Surgery (O.P., M.C., A.S., G.S.B.), Austin Health, Heidelberg, Victoria 3084, Australia
2. Department of Gastroenterology (D.C., D.M.P.), Institute of Translational Medicine, University of Liverpool, Liverpool L69 3BX, United Kingdom
3. Department of Medical Biochemistry (M.S.N.), Oslo University Hospital, Radiumhospitalet, 0310 Oslo, Norway
4. St. Vincent's Institute for Medical Research (R.S., B.E.K.), Fitzroy, Victoria 3065, Australia