1. Department of Epidemiology University of Washington Seattle Washington USA
2. Department of Biostatistics Vanderbilt University Nashville Tennessee USA
3. Bixby Center for Global Reproductive Health and Department of Obstetrics, Gynecology & Reproductive Sciences University of California San Francisco San Francisco California USA
4. Moi Teaching & Referral Hospital/Moi University & Academic Model Providing Access to Healthcare (AMPATH) Eldoret Kenya
5. Department of Biostatistics and Health Data Science School of Medicine Indiana University Indianapolis Indiana USA
6. Division of Family Planning Department of Obstetrics & Gynecology Indiana University School of Medicine Indianapolis Indiana USA
7. Centre for Microbiology Research Kenya Medical Research Institute Nairobi Kenya
8. Department of Medicine Indiana University School of Medicine Indianapolis Indiana USA
9. Department of Biostatistics and Health Data Science R.M. Fairbanks School of Public Health Indiana University Indianapolis Indiana USA
10. Division of Allergy and Infectious Diseases Department of Medicine and Department of Global Health University of Washington Seattle Washington USA