1. Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, UK
2. The Christie Library, School of Oncology, The Christie NHS Foundation Trust, Manchester, UK
3. Department of Medical Oncology, ENETS Centre of Excellence, The Christie NHS Foundation Trust, Manchester, UK
4. Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester M20 4BX, UK
5. Department of Medical Oncology, ENETS Centre of Excellence, The Christie NHS Foundation Trust, Wilmslow Road, Manchester, M20 4BX, UK