1. Department of Surgery and Cancer, Imperial College London, London, UK
2. Division of Thoracic and Upper Gastrointestinal Surgery, McGill University Health Centre, Montreal, Quebec, Canada
3. Department of Upper Gastrointestinal Surgery, Queen Elizabeth Hospital Birmingham, University Hospitals Birmingham NHS Foundation Trust, Edgbaston, Birmingham, UK
4. Institute of Cancer and Genomic Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
5. Department of Thoracic Surgery and Thoracic Oncology, Virginia Mason Medical Center, Seattle, WA, USA
6. Oxford Esophagogastric Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
7. Department of Surgery, University Hospital del Mar, Barcelona, Spain
8. Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
9. Department of Surgery, University Medical Center Amsterdam, Amsterdam, the Netherlands
10. Flinders University, Discipline of Surgery, Flinders Medical Centre, Adelaide, Australia
11. College of Medicine and Public Health, Flinders University, Adelaide, Australia
12. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden