[1] University of Nairobi - College of Health Sciences (off Ngong Road),Department of Medical Microbiology
[2] University of Washington (Pacific Street),Department of Medicine, Division of Allergy and Infectious Diseases
[3] Fred Hutchinson Cancer Research Center (1100 Fairview Ave N.),Division of Human Biology
[4] University of Nairobi - College of Health Sciences (off Ngong Road),Department of Paediatrics
[5] University of Washington,Department of Epidemiology
[6] Kenya Medical Research Institute,Center for Microbiology Research