Neoptolemos JP, Stocken DD, Friess H, Bassi C, Dunn JA, Hickey H, Beger H, Fernandez-Cruz L, Dervenis C, Lacaine F, Falconi M, Pederzoli P, Pap A, Spooner D, Kerr DJ, Büchler MW, for the European Study Group for Pancreatic Cancer.(Department of Surgery, Liverpool University, Liverpool, United Kingdom; the Cancer Research U.K. Clinical Trials Unit, University of Birmingham, Birmingham, United Kingdom; the University of Heidelberg, Heidelberg, Germany; Surgical Department, University of Verona, Verona, Italy; University Hospital of Surgery, Ulm, Germany; Barcelona University Hospital, Barcelona, Spain; the Department of Surgery, Agia Olga Hospital, Athens, Greece; the Service de Chirurgie Digestive et Générale, Hôpital Tenon, Paris; the Department of Gastroenterology, Mav Hospital, Budapest, Hungary; and the Department of Radiotherapy, Queen Elizabeth Hospital, Birmingham, United Kingdom).