1. Kinsey Institute for Research on Sex, Gender, and Reproduction, Indiana University, Bloomington, Indiana.
2. College of Public Health, University of Kentucky, Lexington, Kentucky.
3. Department of Health Promotion and Behavior, School of Public Health, Georgia State University, Atlanta, Georgia.
4. Department of Obstetrics and Gynecology, Center for Interdisciplinary Inquiry and Innovation in Sexual and Reproductive Health, University of Chicago, Chicago, Illinois.