1 Champalimaud Foundation, Faculty of Medicine University of Lisbon, Portugal.
2 Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
3 Department of Surgery, Breast Centre, Capio St Göran's Hospital, Stockholm, Sweden.
4 Oxford University Hospitals, Oxford, United Kingdom.
5 Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom.
6 Department of Radiation Oncology, Sheba Medical Center, Ramat Gan, Israel.
7 School of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
8 GROW-School for Oncology and Developmental Biology or GROW (Maastro), Maastricht University, Maastricht, the Netherlands.
9 Department of Radiation Oncology, Iridium Netwerk, Wilrijk-Antwerp, Belgium.
10 Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk-Antwerp, Belgium.
11 Department of Health Technology & Services Research, Technical Medical Centre, University of Twente, P.O. Box 217, Enschede 7500 AE, the Netherlands.
12 Department of Research, Netherlands Comprehensive Cancer Organisation (IKNL), P.O. Box 19079, Utrecht 3501 DB, the Netherlands.