1. Department of Health Care Organization and Policy, University of Alabama at Birmingham, Birmingham, AL, USA
2. Department of Health Services Administration, University of Alabama at Birmingham, Birmingham, AL, USA
3. Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham, AL, USA
4. Cameroon Baptist Convention Health Services, Bamenda, Cameroon
5. Kaiser Permanente Northern California, San Leandro, CA, USA
6. Center for women’s Reproductive Health and Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, AL, USA