1. Joint Medical Program, School of Public Health, University of California, Berkeley, California, USA
2. Office of Policy, Economics, and Innovation, U.S. Environmental Protection Agency, San Francisco, California, USA
3. Office of Policy, Economics, and Innovation, U.S. Environmental Protection Agency, Washington, DC, USA
4. Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
5. Department of Obstetrics and Gynecology, University of Rochester, Rochester, New York, USA