1. Nuffield Division of Clinical Laboratory Sciences, John Radcliffe Hospital, Oxford, United Kingdom
2. Department of Oncology, Asklepios Tumorzentrum Hamburg, AK Altona, Hamburg, Germany
3. Department of Medical Oncology, Centre Léon Bérard, Lyon, France
4. Comprehensive Cancer Center, University Hospital Ulm, Ulm, Germany
5. Medical Oncology Department, Ramón y Cajal University Hospital, Alcala University, Madrid, Spain
6. Department of Medical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands
7. Center for Oncological Research (CORE), University of Antwerp, and Antwerp University Hospital, Edegem, Belgium