1. National Institute of Environmental Health Sciences, National Institutes of Health (NIH), Research Triangle Park, North Carolina
2. Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, Maryland
3. Harvard Reproductive Sciences Center and Reproductive Endocrine Unit, Massachusetts General Hospital, Boston, Massachusetts
4. Institute of Maternal and Child Research, University of Chile, Santiago, Chile
5. Department of Pediatrics, Clínica Las Condes, Santiago, Chile
6. Institute of Genetic Medicine, Newcastle University, Newcastle-upon-Tyne, UK
7. Medical Genomics & Metabolic Genetics Branch, National Human Genome Research Institute, NIH, Bethesda, Maryland
8. Division of Endocrinology, Metabolism and Diabetes, University of Utah, Salt Lake City, Utah
9. Computational and Statistical Genomics Branch, National Human Genome Research Institute, NIH, Baltimore, Maryland