Affiliation: | 1. Biostatistics Unit, Clinical Trials and Epidemiology, National Cancer Centre Singapore, Singapore;2. Department of Medical Oncology, National Cancer Centre Singapore, Singapore;3. Yong Loo Lin School of Medicine, National University of Singapore, Singapore;4. Department of Pathology, Singapore General Hospital, Singapore;5. Department of Radiation Oncology, National Cancer Centre Singapore, Singapore;6. Department of Surgical Oncology, National Cancer Centre Singapore, Singapore |