| Affiliation: | 1. Center for Infectious Disease Research in Zambia, Lusaka, Zambia;2. Department of Obstetrics and Gynecology, University Teaching Hospital, Lusaka, Zambia;3. Department of Medicine, Vanderbilt University School of Medicine, Nashville, USA;4. Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, USA;5. Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, USA;6. Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, USA;g Department of Obstetrics and Gynecology, University of Cincinnati, Cincinnati, USA;h Michigan Cancer Institute, Pontiac, USA |
