[1] Northern Oesophago-gastric unit,Translational and Clinical Research Institute, Faculty of Medical Sciences
[2] Royal Victoria Infirmary,School of Medical Education
[3] Newcastle upon Tyne Hospitals NHS Foundation Trust,Northern Centre for Cancer Care
[4] Newcastle University,Centre for Rehabilitation, School of Health & Life Sciences
[5] Newcastle University,Department of Anaesthesia and Critical Care, Royal Victoria Infirmary
[6] Freeman Hospital,undefined
[7] Newcastle upon Tyne Hospitals NHS Foundation Trust,undefined
[8] Teesside University,undefined
[9] Newcastle upon Tyne Hospitals NHS Foundation Trust,undefined