1. Department of Medicine University of Washington Seattle WA USA
2. Institute of Endocrinology Lithuanian University of Health Sciences Kaunas Lithuania
3. Department of Medicine Division of Endocrinology Harbor‐UCLA Medical Center and Los Angeles Biomedical Research Institute Torrance CA USA
4. Health Decisions Durham NC USA
5. Center for Biomedical Research Population Council New York NY USA
6. Contraceptive Development Program Eunice Kennedy Shriver National Institute of Child Health and Human Development National Institutes of Health Bethesda MD USA