1. Faculty of Life Sciences and Medicine; Division of Cancer Studies; Cancer Epidemiology Group; King's College London; London United Kingdom
2. Faculty of Life Sciences and Medicine; Division of Cancer Studies; Section of Research Oncology; King's College London; London United Kingdom
3. Guy's and St. Thomas’ NHS Foundation Trust; London United Kingdom
4. Regional Cancer Centre; Uppsala/Orebro; Uppsala Sweden
5. Research Oncology; Guy's Hospital; London United Kingdom
6. Department of Surgical Sciences; Uppsala University; Uppsala Sweden