1. Program on Reproductive Health and the Environment, Department of Obstetrics, Gynecology, and Reproductive Sciences, School of Medicine, University of California, San Francisco, San Francisco, California, USA
2. Emmett Interdisciplinary Program in Environment and Resources, Stanford University, Palo Alto, California, USA
3. Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, California, USA
4. School of Public Health, University of California, Berkeley, Berkeley, California, USA