1 Department of Pancreatic Surgery, Royal Liverpool University Hospital, Liverpool University Hospitals NHS Foundation Trust, Prescot St, Liverpool, L7 8XP, UK; Faculty of Medicine and Health, University of Leeds, Woodhouse, Leeds, LS2 9JT, UK. Electronic address: iestyn.shapey@nhs.net.
2 Department of Pancreatic Surgery, Royal Liverpool University Hospital, Liverpool University Hospitals NHS Foundation Trust, Prescot St, Liverpool, L7 8XP, UK.
3 Department of Pancreatic Surgery, Royal Liverpool University Hospital, Liverpool University Hospitals NHS Foundation Trust, Prescot St, Liverpool, L7 8XP, UK; Department of Molecular and Clinical Cancer Medicine, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, L69 3GE, UK.
4 Department of Diabetes and Endocrinology, Royal Liverpool University Hospital, Liverpool University Hospitals NHS Foundation Trust, Prescot St, Liverpool, L7 8XP, UK.