1. Department of Epidemiology, Geisel School of Medicine at Dartmouth, Lebanon, NH, USA
2. Department of Preventive Medicine, Keck School of Medicine at the University of Southern California, Los Angeles, CA, USA
3. Gangarosa Department of Environmental Health, Emory Rollins School of Public Health, Atlanta, GA, USA
4. Department of Obstetrics and Gynecology, Keck School of Medicine, Los Angeles, CA, USA
5. Eisner Health, Los Angeles, CA, USA
6. Department of Epidemiology, Emory Rollins School of Public Health, Atlanta, GA, USA