[1] Univ Toronto, Toronto, ON, Canada
[2] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA 02115 USA
[3] Royal Marsden NHS Fdn Trust, London, England
[4] Inst Gustave Roussy, Villejuif, France
[5] Inst Bergonie, Bordeaux, France
[6] Inst Curie, Paris, France
[7] Netherlands Canc Inst, Amsterdam, Netherlands
[8] Maria Sklodowska Curie Inst Oncol Ctr, Warsaw, Poland
[9] Leiden Univ, Med Ctr, Leiden, Netherlands
[10] Fdn IRCCS Ist Nazl Tumori, Milan, Italy