1. Center for Research on Women and Gender, College of Medicine, University of Illinois at Chicago, Chicago, IL 60608, USA
2. Division of Health Policy and Social Science Research, Department of Family and Community Medicine, University of Illinois College of Medicine at Rockford, Rockford, IL 61107, USA
3. Division of Community Health Sciences, School of Public Health, University of Illinois at Chicago, Chicago, IL 60612, USA
4. Department of Women, Children, and Family Nursing, College of Nursing, Rush University, Chicago, IL 60612, USA
5. Department of Obstetrics and Gynecology, College of Medicine, University of Illinois at Chicago, Chicago, IL 60612, USA