Breast Neoplasms

• Policlinico Sant'Orsola Malpighi — Bologna, BO, Italy
• Azienda Ospedaliero Universitaria di Ferrara - Arcispedale S. Anna — Ferrara, FE, Italy
• IST San Martino — Genova, GE, Italy
• Ospedale San Raffaele — Milan, MI, Italy

• Holy Cross Centre — Calgary, Alberta, Canada
• Cross Cancer Institute — Edmonton, Alberta, Canada

• Cleveland Clinic Foundation — Cleveland, Ohio, United States
• Medical University of Vienna — Vienna, Austria
• Peking Union Medical College Hospital — Beijing, China
• University of Düsseldorf — Düsseldorf, Germany

• Moores UCSD Cancer Center — La Jolla, California, United States

• Cedars Sinai Medical Center — Los Angeles, California, United States

• Kaiser Permanente Colorado — Denver, Colorado, United States

Not specified

• Department of Surgery, Aalesund Hospital — Ålesund, Norway
• St Olavs University Hospital — Trondheim, Norway

• Department of Breast Surgery, Cancer Hospital, Fudan University — Shanghai, China

• National Cancer Institute (NCI), 9000 Rockville Pike — Bethesda, Maryland, United States