[1] Sheba Med Ctr, Breast Canc Radiat Therapy Unit, Ramat Gan, Israel
[2] Tel Aviv Univ, Sackler Sch Med, Tel Aviv, Israel
[3] Maastricht Univ, GROW Sch Oncol & Dev Biol Maastro, Maastricht, Netherlands
[4] Dalhousie Univ, Dept Radiat Oncol, Halifax, NS, Canada
[5] BC Canc Vancouver, Dept Radiat Oncol, Vancouver, BC, Canada
[6] Maastricht Univ, GROW Sch Oncol, Dept Radiat Oncol Maastro, Med Ctr, Maastricht, Netherlands
[7] Univ Florence, Dept Expt & Clin Biomed Sci M Serio, Florence, Italy
[8] Azienda Osped Univ Careggi, Radiat Oncol Unit, Florence, Italy
[9] Univ Perugia, Radiat Oncol Sect, Dept Med & Surg, Perugia, Italy
[10] Perugia Gen Hosp, Perugia, Italy
[11] Univ Paris Est UPEC, Dept Radiat Oncol, Creteil, France
[12] Univ Paris Est UPEC, Henri Mondor Breast Ctr, Creteil, France
[13] INSERM Unit 955, Creteil, France
[14] Sheba Med Ctr, Dept Phys, Radiat Oncol, Ramat Gan, Israel
[15] Acibadem Mehmet Ali Aydinlar Univ, Res Inst Senol, Istanbul, Turkey
[16] Univ Cambridge, Dept Oncol, Cambridge, England
[17] Univ Piemonte Orientale, Dept Translat Med, Novara, Italy
[18] Univ Hosp Maggiore Carita, Dept Radiat Oncol, Novara, Italy
[19] Harvard Med Sch, Dept Radiat Oncol, Massachusetts Gen Hosp, Boston, MA 02115 USA
[20] Inst Verbeeten, Tilburg, Netherlands
[21] Univ Michigan, Dept Radiat Oncol, Ann Arbor, MI 48109 USA
[22] Royal Marsden NHS Fdn Trust & Inst Canc Res, Dept Radiotherapy, Sutton, Surrey, England
[23] Careggi Univ Hosp, Med Phys Unit, Florence, Italy
[24] Hosp Sirio Libanes, Dept Radiat Oncol, Sao Paulo, Brazil
[25] Yale Sch Med, New Haven, CT USA
[26] Vejle Hosp, Dept Oncol, Vejle, Denmark
[27] Univ Hosp Erlangen, Dept Radiat Oncol, Erlangen, Germany
[28] Genesis Care, Hollywood Radiat Oncol, Albany, WA, Australia
[29] Iridium Netwerk, Antwerp, Belgium
[30] Univ Antwerp, Antwerp, Belgium
[31] Aarhus Univ Hosp, Dept Expt Clin Oncol, Aarhus, Denmark
[32] TRONE Transatlant Radiat Oncol Network, Paris, France