1. Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
2. Department of Nutritional Sciences, School of Health Professions, Rutgers University, Newark, New Jersey
3. Department of Laboratory Medicine and Pathology, University of Minnesota Medical School, Minneapolis, Minnesota
4. Division of Research, Kaiser Permanente Northern California, Oakland, California
5. Department of Epidemiology, College of Public Health, University of Iowa, Iowa City, Iowa
6. Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
7. Department of Medicine and Therapeutics, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China