1. Institute for Public Health Genetics, University of Washington , Seattle, Washington , USA
2. Canadian Centre for Computational Genomics-Montréal Node , Montreal, Quebec , Canada
3. School of Public Health, Makerere University , Kampala , Uganda
4. Department of Medical Microbiology and Infectious Diseases, University of Manitoba , Winnipeg , Canada
5. Perinatal HIV Research Unit, University of the Witwatersrand , Johannesburg , South Africa
6. Department of Obstetrics and Gynecology, University of Nairobi , Nairobi , Kenya
7. Department of Global Health, University of Washington , Seattle, Washington , USA
8. Department of Medicine, University of Washington , Seattle, Washington , USA
9. Department of Epidemiology, University of Washington , Seattle, Washington , USA
10. Department of Population and Quantitative Health Science, Case Western Reserve University , Cleveland, Ohio , USA
11. Department of Pediatrics, University of Washington , Seattle, Washington , USA
12. Department of Obstetrics and Gynecology, University of Washington , Seattle, Washington , USA