1. From the Royal Marsden NHS Trust, London, United Kingdom; Hopital C. Huriez, Lille, France; National Hospital, Oslo, Norway; Institute of Oncology, Lisbon, Portugal; Hospital Clinic, Barcelona, Spain; University of Ancona, Italy; Southampton University Hospital, Southampton, United Kingdom; Greenwich Hospital, London, United Kingdom; Queen Mary's Hospital, Sidcup, Kent, United Kingdom; Worthing Hospital, Sussex, United Kingdom; and Centre of Oncology, Lausanne, Switzerland.