1. University of Maryland, Baltimore; Abuja, Nigeria
2. University of Maryland, Baltimore, MD, USA
3. Division of Global HIV & Tuberculosis, Center for Global Health, Centers for Disease Control and Prevention, Abuja, Nigeria
4. Division of Global HIV & Tuberculosis, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
5. Paediatric Association of Nigeria, Abuja, Nigeria
6. Department of Child Health, University of Benin Teaching Hospital, Benin City, Nigeria