1. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, USA
2. Department of Pediatrics, University of Colorado Denver, Denver, USA
3. Center for Microbiology Research, Kenya Medical Research Institute, Nairobi, Kenya
4. Department of Health Care, Policy and Organization, University of Alabama at Birmingham, Birmingham, USA
5. Migori County Referral Hospital, Kenya Ministry of Health, Migori, Kenya