1. Center on Gender Equity and Health, University of California, San Diego, La Jolla, CA, USA;
2. Department of Medicine, University of California, San Francisco, San Francisco, CA, USA;
3. School of Public Health, University of the Witwatersrand, Johannesburg, South Africa;
4. Department of Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles, CA, USA;
5. Women's Health, Gender and Empowerment Center of Expertise, University of California Global Health Institute, San Francisco, CA, USA;
6. Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA;
7. Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA, USA