作者单位:Departments of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY[1]Departments of Pathology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY[2]Cancer Research UK, Clinical Trials Unit, Sutton, United Kingdom[3]Cancer Research UK London Research Institute, University College London Cancer Institute, London[4]