1. Department of HPB and Transplant Surgery The Freeman Hospital Newcastle upon Tyne Tyne and Wear UK
2. Institute of Cellular Medicine Newcastle University Newcastle Upon Tyne Newcastle UK
3. College of Medical and Dental Sciences University of Birmingham Birmingham UK
4. Department of Surgical Oncology Peter MacCallum Cancer Centre Melbourne Victoria Australia
5. Department of Surgery Royal Melbourne Hospital Melbourne Victoria Australia
6. Department of Surgery University of Auckland Auckland New Zealand