Affiliation: | 2. Biostatistics and Epidemiology Department, Institut Gustave Roussy, Paris;3. Department of Statistics, Institut de Recherche Pierre Fabre, Boulogne, France;4. Department of Thoracic Oncology, Princess Margaret Hospital, Toronto, Canada;5. Department of Biostatistics and Epidemiology, NCIC Clinical Trials Group, Queen''s University, Kingston, Ontario, Canada;11. Cancer Division, MRC Clinical Trials Unit, London, United Kingdom |