1. Division of Genetics and Epidemiology, The Institute of Cancer Research, London, United Kingdom;
2. Division of Molecular Genetic Epidemiology, German Cancer Research Center, Heidelberg, Germany;
3. Center for Primary Health Care Research, Lund University, Malmö, Sweden;
4. Department of Human Genetics, McGill University and Genome Quebec Innovation Centre, McGill University, Montreal, QC, Canada;
5. Centre for Cancer Genetic Epidemiology, Department of Oncology, and
6. Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom;
7. Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom;
8. Genomic Epidemiology Group, German Cancer Research Center, Heidelberg, Germany;
9. Royal Marsden NHS Foundation Trust, London, United Kingdom;
10. Institute of Population Health, University of Manchester, Manchester, United Kingdom;
11. Division of Health Sciences, Warwick Medical School, Warwick University, Coventry, United Kingdom;
12. Department of Applied Health Research, University College London, London, United Kingdom;
13. Department of Biology, University of Pisa, Pisa, Italy;
14. Human Genomic Research Group, Department of Biomedicine, University of Basel, Basel, Switzerland;
15. Institute of Human Genetics and
16. Department of Genomics, Life & Brain Center, University of Bonn, Bonn, Germany;
17. University of Duisburg–Essen, Essen, Germany;
18. Experimental Tumor Research, Center for Tumor Biology and Immunology, Clinic for Hematology, Oncology and Immunology, Philipps University, Marburg, Germany;
19. Division of Breast Cancer Research, The Institute of Cancer Research, London, United Kingdom; and
20. Department of Internal Medicine, University Hospital of Cologne, Cologne, Germany