[1] University of California,Bixby Center for Global Reproductive Health, Department of Obstetrics, Gynecology, and Reproductive Sciences
[2] University of Washington Bothell,School of Nursing and Health Studies
[3] University of Southern California Institute On Inequalities in Global Health,The Department of Public Health, School of Public Health and Community Development
[4] Kenya Medical Research Institute,Department of Obstetrics, Gynecology, and Reproductive Sciences
[5] Maseno University,Department of Obstetrics, Gynecology, and Reproductive Sciences
[6] University of California,undefined
[7] Zuckerberg San Francisco General Hospital,undefined