1. From the University of California at Los Angeles, CA; University of Pretoria, Pretoria, and Sandton Oncology Centre, Johannesburg, South Africa; Hospital de San Isidro, Buenos Aires, Argentina; Szt Margit Hospital, Budapest, and County Hospital, Gyor, Hungary; Hospital Clinico San Carlos, Madrid, Spain; City Hospital Trust, Nottingham, and Western General Hospital, Edinburgh, United Kingdom; Oncology Center, Warsaw, and Oncology Center, Poznan, Poland; Waikato Hospital, Hamilton, New Zealand; and Aventis...