1. From the M.D. Anderson Cancer Center, Houston, TX; Hospital Clinico Universidad de Chile; Fundación Arturo López Pérez, Santiago, Chile; N.N. Blokhin Cancer Research Center, Moscow; N.N. Petrov Research Institute of Oncology, St Petersburg, Russia; Veterans General Hospital, Taipei, Taiwan; Santa Casa de Belo Horizonte, Belo Horizonte, Brazil; sanofi-aventis, Antony, France; and Leuven University Hospital, Leuven, Belgium