1. State Key Laboratory of Oncogene and Related Genes & Department of EpidemiologyShanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of MedicineShanghai China
2. Division of Epidemiology, Department of MedicineVanderbilt Epidemiology Center, Vanderbilt University Medicine CenterNashvilleTN
3. Division of Cancer Epidemiology and Genetics, Occupational and Environmental Epidemiology BranchNational Cancer InstituteRockville MD