1. Upper Gastrointestinal Surgery, Guy’s and St Thomas’ NHS Foundation Trust, London, England2Section of Gastrointestinal Cancer, Division of Cancer Studies, King’s College London, London, England3Upper Gastrointestinal Surgery, Department of Molecular Medic
2. Upper Gastrointestinal Surgery, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
3. Section of Gastrointestinal Cancer, Division of Cancer Studies, King’s College London, London, England
4. Section of Gastrointestinal Cancer, Division of Cancer Studies, King’s College London, London, England4Surgical Care Science, Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden