1. Department of Public Health Sciences, University of Virginia, Charlottesville, Virginia;
2. Division of Infectious Diseases and International Health, University of Virginia, Charlottesville, Virginia;
3. Global Health Research Centre, Haydom Lutheran Hospital, Manyara Region, Tanzania;
4. Department of Pediatrics, University of Virginia, Charlottesville, Virginia;
5. Department of Women, Children and Family Health Science, College of Nursing, University of Illinois at Chicago, Illinois;
6. Haukeland University Hospital, Bergen, Norway