1. Division of Rheumatology and Clinical Immunology University of Pittsburgh Pittsburgh Pennsylvania USA
2. Center for Innovative Research on Gender Health Equity University of Pittsburgh Pittsburgh Pennsylvania USA
3. Department of Obstetrics and Gynecology University of Washington School of Medicine Seattle Washington USA
4. Health Services Research and Development VA Puget Sound Health Care System Seattle Washington USA
5. Department of Pediatrics University of Pittsburgh Pittsburgh Pennsylvania USA
6. Division of General Internal Medicine University of Pittsburgh Pittsburgh Pennsylvania USA
7. Center for Health Research and Promotion VA Pittsburgh Healthcare System Pittsburgh Pennsylvania USA