1. Department of Plastic Surgery, University of Milan, Milan, Italy
2. Cambridge Breast Unit, Addenbrooke's Hospital, Cambridge, UK
3. School of Medicine, Anglia Ruskin University, Cambridge and Chelmsford, UK
4. Department of Senology and Breast Surgery, Heinrich Heine University, Dusseldorf, Germany
5. Department of Plastic Surgery, University Hospital Ghent, Ghent, Belgium
6. Multidisciplinary Breast Unit, Azienda Ospedaliera Cannizzaro, Catania, Italy
7. Plastic and Reconstructive Surgery Unit, MD Anderson Cancer Center, Houston, Texas, USA
8. Department of Plastic and Reconstructive Surgery, Weill Cornell Medicine, New York, USA
9. Plastic and Reconstructive Surgery Service, Memorial Sloan Kettering Cancer Center, New York, USA
10. Department of Plastic Surgery, National Cancer Institute ‘Regina Elena’, Rome, Italy
11. Partners in Plastic Surgery of West Michigan, Grand Rapids, Michigan, USA
12. Department of Oncology and Radiotherapy, Medical University of Gdansk, Gdansk, Poland
13. Radiotherapy Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
14. Department of Radiotherapy, European Institute of Oncology, Milan, Italy
15. Division of Plastic and Reconstructive Surgery, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, USA
16. Oncoplastic Surgery, Instituto Henry Moore, University of Buenos Aires, Buenos Aires, Argentina
17. European Breast Centre, Dusseldorf, Germany
18. Radiology Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
19. Plastic Surgery Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
20. Division of Surgery and Interventional Science, Faculty of Medical Sciences, University College London, London, UK
21. Department of Clinical Medicine and Surgery, University of Naples ‘Federico II’, Naples, Italy