1 Division of Epidemiology and Prevention, Institute of Human Virology, University of Maryland School of Medicine, 725 West Lombard Street, Room N459, Baltimore, MD, 21201, USA. [email protected].
2 Department of Medicine, University of Maryland Medical Centre Midtown Campus, Baltimore, MD, USA. [email protected].
3 Department of Microbiology and Immunology, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.
4 Global Program for Research Teaching, University of California San Francisco, Nairobi, Kenya.
5 Department of Social Medicine, Ohio University Heritage College of Osteopathic Medicine, Dublin, OH, USA.
6 Palladium Group, Nairobi, Kenya.
7 Infectious Disease Centre, Dar es Salaam, Tanzania.
8 University of Nairobi, Institute for Development Studies, Nairobi, Kenya.