Affiliation: | a Division of Epidemiology and Biostatistics, University of Illinois at Chicago, Chicago, Illinois b Department of Urology, University of Washington, Seattle, Washington c UNIM Project, Kisumu, Kenya d Department of Medical Microbiology, University of Nairobi, Nairobi, Kenya e Departments of Medical Microbiology, Community Health Sciences and Medicine, University of Manitoba, Winnipeg, Canada f RTI International, Research Triangle Park, North Carolina |