1. Cancer Registry Office National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. Department of Cancer Epidemiology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
3. Division of Cancer Epidemiology and Genetics National Cancer Institute, National Institutes of Health Bethesda Maryland
4. Promegene Translational Research Institute Shenzhen China