1. Department of Pathology, Johns Hopkins School of Medicine, Baltimore, Maryland;
2. Department of Microbiology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania;
3. Immunetics, Inc., Boston, Massachusetts;
4. National Institute for Medical Research, Kilosa, Tanzania;
5. Dana Center for Preventive Ophthalmology, Johns Hopkins School of Medicine, Baltimore, Maryland