1. Department of Surgery and Cancer, Imperial College London, London, United Kingdom
2. Division of Medical Oncology, Mayo Clinic, Rochester, Minnesota
3. Division of Cancer Care and Epidemiology, Departments of Oncology and Public Health Sciences, Queen’s University Cancer Research Institute, Kingston, Canada
4. Brighton and Sussex University Hospitals NHS Trust, Brighton, United Kingdom
5. Division of Hematology and Oncology, Vanderbilt University, Nashville, Tennessee
6. Division of Oncology, Department of Medicine, Stanford University School of Medicine, Palo Alto, California