[1] Royal Marsden Hosp, Sutton, Surrey, England
[2] Austin Hlth, Melbourne, Vic, Australia
[3] Krasnodar City Oncol Ctr, Krasnodar, Russia
[4] Univ Fed & Minas Gerais, Hosp Clin, Horizonte, Brazil
[5] Univ Canc Ctr, Krankenhaus Nordwest, Frankfurt, Germany
[6] Mem Sloan Kettering Canc Ctr, New York, NY 10021 USA
[7] Russian Canc Res Ctr, Moscow, Russia
[8] Publ Hlth Ivanovo Reg Oncol Dispensary, Reg Budgetary Inst, Ivanovo, Russia
[9] Przychodnia Lekarska Komed Oddzial Jednego Dnia, Konin, Poland
[10] Communal Inst Dnipropetrovsk City Multifield Clin, Dnepropetrovsk, Ukraine
[11] Univ Rochester Med Ctr, James P Wilmot Canc Ctr, Rochester, NY USA
[12] SC Medisprof SRL, Cluj Napoca, Romania
[13] Ctr Hosp Univ Montreal Notre Dame, Montreal, PQ, Canada
[14] Amgen Ltd, Cambridge, England
[15] Amgen Inc, Thousand Oaks, CA 91320 USA
[16] Univ Chicago, Chicago, IL 60637 USA