| Affiliation: | 1. Epidemiology Branch, Division of Intramural Population Health Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health & Human Services, Bethesda, Maryland;4. Program of Reproductive and Adult Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, US Department of Health & Human Services, Bethesda, Maryland;2. Department of Public Health and Nursing, Westminster College, Salt Lake City, Utah;3. Division of Biostatistics and Epidemiology, University of Massachusetts School of Public Health and Health Sciences, Amherst, Massachusetts;5. Department of Global and Community Health, George Mason University, Fairfax, Virginia;6. Department of Social and Preventive Medicine, University at Buffalo, Buffalo, New York;g Department of Nutrition and Epidemiology, Harvard School of Public Health, Boston, Massachusetts |
