1. Department of Epidemiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing China
2. Department of HistoryUniversity of Chicago CollegeChicago Illinois
3. Department of EpidemiologyUNC Gillings School of Global Public HealthChapel Hill North Carolina
4. Lineberger Comprehensive Cancer CenterUniversity of North CarolinaChapel Hill North Carolina
5. Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing China
6. Department of Cytopathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing China