Affiliation: Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, USA; Obstetrics and Gynecology, University of Zambia, Zambia.
Affiliation: Department of Obstetrics and Gynecology, University of North Carolina School of Medicine, 3009 Old Clinic Building, Campus Box 7577, Chapel Hill, North Carolina, 27599-7577; Centre for Infectious Disease Research in Zambia, PO Box 34681, 5032 Great North Road, Lusaka, Zambia.
