1 Department of Surgery and Cancer, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Hospital, Du Cane Road, London, W12 0HS, UK.
2 Department of Upper Gastrointestinal Surgery, Barking Havering and Redbridge University Hospitals NHS Trust, London, UK.
3 Center for Gastric Cancer, National Cancer Center, Seoul, Republic of Korea.
4 Department of Surgery, National Taiwan University Hospital, Taipei City, Taiwan.
5 Department of General Surgery, Cairo University, Cairo, Egypt.
6 Department of Surgery, Yodogawa Christian Hospital, Osaka, Japan.
7 Department of Surgery and Cancer, Imperial College London, 7th Floor Commonwealth Building, Hammersmith Hospital, Du Cane Road, London, W12 0HS, UK. [email protected].