[1] Royal Marsden NHS Fdn Trust, Drug Dev Unit, Sutton, Surrey, England
[2] Inst Canc Res, Sutton, Surrey, England
[3] Hop Europeen Georges Pompidou, Paris, France
[4] Istanbul Univ, Istanbul, Turkey
[5] Odense Univ Hosp, DK-5000 Odense, Denmark
[6] Catholic Univ Louvain, Clin Univ St Luc, B-1200 Brussels, Belgium
[7] Sanofi Aventis, Malvern, PA USA
[8] Tulane Univ, New Orleans, LA 70118 USA