1. Oncology Department, Hospital de la Santa Creu i Sant Pau and Universitat Autònoma de Barcelona, Barcelona, Spain
2. Centro de Investigación Biomédica en Red Cáncer, Madrid, Spain
3. Department of Medical Oncology, St Claraspital and Faculty of Medicine, University of Basel, Basel, Switzerland
4. Division of Medical Oncology and Hematology, Department of Medicine, Princess Margaret Cancer Centre and the University of Toronto, Toronto, Ontario, Canada
5. Division of Cancer Care and Epidemiology, Queen’s University Cancer Research Institute, Kingston, Canada
6. Departments of Oncology and Public Health Sciences, Queen’s University, Kingston, Canada