1. Division of Reproductive Endocrinology and Infertility; Department of Obstetrics and Gynecology; Harvard Medical School; Massachusetts General Hospital Fertility Center; Boston MA USA
2. Department of Nutrition; Harvard T. H. Chan School of Public Health; Boston MA USA
3. Department of Environmental Health; Harvard T. H. Chan School of Public Health; Boston MA USA
4. Department of Biostatistics; Harvard T. H. Chan School of Public Health; Boston MA USA
5. Department of Epidemiology; Harvard T. H. Chan School of Public Health; Boston MA USA
6. Department of Medicine, Brigham and Women's Hospital; Harvard Medical School; Boston MA USA