Department of BioSurgery and Surgical Technology, Imperial College London, London, United Kingdom
Imperial College, London, United Kingdom
Birmingham Heartlands Hospital:, Birmingham, United Kingdom
Brighton and Sussex University Hospital NHS Trust:, Brighton, United Kingdom
St. Mary's Hospital, London:, United Kingdom
Imperial Weight Centre, London, United Kingdom
Cardiovascular Medicine Research Unit, Hammersmith Hospital, London, United Kingdom
Liver Unit, St Mary's Hospital, Imperial College London, London, United Kingdom
Imperial Weight Centre, Charing Cross Hospital,, London, United Kingdom
Charing Cross Hospital, London, United Kingdom
St. Mary's Hospital, Imperial College London, Norfolk Place,, London, United Kingdom
Imperial College Healthcare NHS Trust, London, United Kingdom
Hammersmith Hospital, London, United Kingdom