[1] Canc Inst Gustave Roussy, Villejuif, France
[2] EORTC Headquarters, Brussels, Belgium
[3] Surg Oncol Natl Canc Inst, Milan, Italy
[4] Erasmus Univ, Med Ctr, Rotterdam, Netherlands
[5] European Inst Oncol, Milan, Italy
[6] Univ Birmingham, Birmingham, W Midlands, England
[7] Radboud Univ Nijmegen, Med Ctr, NL-6525 ED Nijmegen, Netherlands
[8] Royal Marsden Hosp, London SW3 6JJ, England
[9] Univ Glasgow, Western Infirm, Glasgow G11 6NT, Lanark, Scotland
[10] Univ Zurich Hosp, CH-8091 Zurich, Switzerland
[11] Univ Hosp Essen, Essen, Germany
[12] Univ Nottingham, Nottingham NG7 2RD, England
[13] McGill Univ, Montreal, PQ, Canada
[14] CBF, Charite, Dept Hematol & Med Oncol, Berlin, Germany