1. Division of Surgery and Interventional Science, University College London, London, United Kingdom
2. Department of Biostatistics, University of Notre Dame, Fremantle, West Australia, Australia
3. University of Western Australia School of Surgery, West Australia, Australia
4. Department of Breast Surgery, University of Copenhagen, Copenhagen, Denmark
5. Department of Clinical Oncology, University College London Hospitals, London, United Kingdom
6. Department of Radiation Oncology, Sir Charles Gairdner Hospital, Perth, West Australia, Australia
7. Department of Surgery, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Aviano, Italy
8. University Medical Center Mannheim, Department of Radiation Oncology, Medical Faculty Mannheim, Heidelberg University, Germany
9. Red Cross Hospital, Department of Gynecology and Obstetrics, Technical University of Munich, Munich, Germany
10. Department of Surgery, University of California, San Francisco
11. Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom
12. Patient Advocate and Writer, London, United Kingdom
13. Department of Surgery, Ninewells Hospital, Dundee, United Kingdom
14. Department of Surgery, Royal Hampshire County Hospital, Winchester, United Kingdom
15. University Medical Center Mannheim, Department of Gynecology and Obstetrics, Medical Faculty Mannheim, Heidelberg University, Germany
16. Department of Oncology, St Olav’s University Hospital, Trondheim, Norway
17. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
18. Helen Rey Breast Cancer Foundation, John Wayne Cancer Institute, University of Southern California, Los Angeles
19. Department of Radiation Oncology, Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Aviano, Italy
20. Instituto Oncologico Veneto, Padoa, Italy
21. University Hospital, Department of Radiation Oncology, Ludwig Maximilians Universitat, Munich, Germany
22. Oncologue radiothérapeute, Institut de Cancérologie de l’Ouest, Nantes, France
23. Brust Zentrum Seefeld, Zurich, Zurich, Switzerland
24. Department of Surgical Oncology, Medical University of Lublin, Lublin, Poland
25. Breast Center, Universitätsspital Zürich, Zurich, Switzerland
26. Saarland University Medical Center, Homberg, Germany
27. Sankt Gertrauden-Krankenhaus, and The Charité – Universitätsmedizin Berlin, Berlin, Germany
28. Princess Margaret Cancer Centre Toronto, Toronto, Ontario, Canada
29. Sentara Surgery Specialists, Hampton, Virginia
30. Ashikari Breast Center, New York Medical College, New York, New York
31. Department of Surgery, University College London Hospitals, London, United Kingdom
32. Department of Pathology, University College London Hospitals, London, United Kingdom