1 Università Vita-Salute San Raffaele, Milano, Italy; IRCCS Ospedale San Raffaele, Milano, Italy. Electronic address: [email protected].
2 Champalimaud Foundation Breast Unit, Lisbon, Portugal; University of Lisbon, Faculty of Medicine, Lisbon, Portugal.
3 Department of Oncology and Radiotherapy, Medical University of Gdańsk, Poland.
4 Department of Radiation Oncology, Iridium Netwerk, Wilrijk, Antwerp, Belgium; Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Antwerp, Belgium.