1. Department of Biological and Health Sciences Wheaton College Wheaton Illinois USA
2. Department of Health Systems and Population Health University of Washington Seattle Washington USA
3. Kenya Medical Research Institute Nairobi Kenya
4. Department of Global Health University of Washington Seattle Washington USA
5. Department of Pediatrics University of Washington Seattle Washington USA
6. Departments of Medicine (Allergy and Infectious Disease) and Epidemiology University of Washington Seattle Washington USA
7. Department of Nutrition, Chapel Hill Gillings School of Global Public Health University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
8. Department of Pediatrics and Child Health University of Nairobi Nairobi Kenya
9. Department of Maternal and Child Health, Gillings School of Global Public Health University of North Carolina at Chapel Hill Chapel Hill North Carolina USA