1. School of Public Health; Fudan University; Shanghai China
2. SKLORG, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine; Shanghai China
3. Division of Epidemiology, Department of Medicine; Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine; Nashville, TN
4. Division of Cancer Epidemiology and Genetics; National Cancer Institute; Rockville, MD
5. Division of Cancer Prevention and Population Sciences, Department of Epidemiology; University of Texas MD Anderson Cancer Center; Houston TX