1. The Institute of Cancer Research, The Royal Marsden NHS Foundation Trust, London SW3 6JJ, UK
2. Department of Radiology and Nuclear Medicine, Erasmus MC University Medical Centre, 3015 GD Rotterdam, The Netherlands
3. Department of Medical Physics, University of Wisconsin, Madison, WI 53706, USA
4. Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
5. Independent Consultant for Quantitative Imaging Biomarkers Alliance (QIBA), Radiological Society of North America (RSNA), Oak Brook, IL 60523, USA