1School of Health Sciences, University of Southampton, Highfield, Southampton, SO17 1BJ UK
2Bank of Cyprus Oncology Centre, Nicosia, Cyprus
3Department of Oncology, Oslo University Hospital, Oslo, Norway
4Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
5Department of Oesophago-Gastric & Bariatric Surgery, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Salford, UK
6Division of Cancer Sciences, Faculty of Biology, Medicine and Health, School of Medical Sciences, University of Manchester, Manchester, UK
7Division of Radiation Oncology, The Ottawa Hospital Cancer Centre, Ottawa, K1H 8L6 Canada
8Department of Radiology, University of Ottawa, Ottawa, K1N 6N5 Canada
9Asian Partnerships Office, Department of International Clinical Development/International Trials Management Section, Clinical Research Support Office, National Cancer Center Hospital, Tokyo, Japan
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