1. Acaster Lloyd Consulting Ltd, London, WC1H 0BS, UK
2. Department of Surgery & Cancer, Imperial College London, Hammersmith Hospital, London, W12 ONN, UK
3. Clinique Universitaire d'Hépato-gastroentérologie, Pôle Digidune, University Hospital Grenoble Alpes, Grenoble, France
4. Sirtex Medical United Kingdom Ltd, London, UK