1. Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics; National Cancer Institute (NCI), National Institutes of Health (NIH); Bethesda MD, USA
2. Cancer Prevention Fellowship Program, Division of Cancer Prevention; NCI, NIH; Bethesda MD, USA
3. Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics; NCI, NIH; Bethesda MD, USA
4. Biostatistics Branch, Division of Cancer Epidemiology and Genetics; NCI, NIH; Bethesda MD, USA
5. Shanxi Cancer Hospital; Taiyuan People's Republic (PR) China
6. Department of Epidemiology; Cancer Institute (Hospital), Chinese Academy of Medical Sciences; Beijing People's Republic (PR) China
7. Information Management Services, Inc; Silver Spring MD, USA
8. Core Genotyping Facility; NCI-Frederick, SAIC-Frederick Inc, and Division of Cancer Epidemiology and Genetics; Bethesda MD, USA
9. Human Genetics Program, Division of Cancer Epidemiology and Genetics; NCI, NIH; Bethesda MD, USA