Affiliation: | ∗ Department of Radiation Oncology, Breast Unit, Institut Gustave Roussy, Villejuif, France;† Biostatistics and Epidemiology Unit, Institut Gustave Roussy, Villejuif, France;‡ Department of Medical Oncology, Institut Gustave Roussy, Villejuif, France;§ Department of Breast Surgery, Institut Gustave Roussy, Villejuif, France;‖ Department of Pathology, Institut Gustave Roussy, Villejuif, France;¶ Department of Radiation Oncology, Karolinska Institutet, Stockholm, Sweden;# Radiation Department University of Florence, Florence, Italy |