1. From the Bandim Health Project, INDEPTH Network, Bissau, Guinea-Bissau (ABF, AR, and PA); the Bandim Health Project, Statens Serum Institut, Copenhagen, Denmark (PA and CSB); the Department of Infectious Diseases, Aarhus University Hospital, Aarhus, Denmark (ABF); the Department of Pathology, Herlev University Hospital, Copenhagen, Denmark (IML); the Department of Biostatistics, University of Aar